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🔊 Elevate your soundscape, block the noise, own your space.
Soundcore by Anker Space A40 earbuds combine cutting-edge adaptive active noise cancellation with an ultra-long 50-hour battery life and Hi-Res LDAC audio. Their compact, lightweight design ensures all-day comfort, while the Soundcore app offers personalized sound tuning and firmware updates. Perfect for professionals seeking immersive focus and premium sound on the go.


















| ASIN | B0D6V69JT2 |
| Additional Features | Lightweight, Noise Cancellation, Volume Control, Water Resistant |
| Age Range Description | All |
| Antenna Location | Office Meetings |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #262 in Electronics ( See Top 100 in Electronics ) #6 in Sleep Earbuds |
| Bluetooth Range | 10 meters |
| Bluetooth Version | 5 |
| Brand | Soundcore |
| Brand Name | Soundcore |
| Built-In Media | Cable, Charging Case, Eartip, soundcore space A40 Noise Cancelling Earbuds |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 40 hours |
| Carrying Case Battery Capacity | 800 milliamp_hours |
| Carrying Case Color | Green |
| Carrying Case Material | Plastic |
| Color | Green |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops, Smart Speakers, Televisions, Gaming Consoles |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Control Type | Volume Control |
| Controller Type | Wireless |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 out of 5 stars 25,175 Reviews |
| Ear Placement | In Ear |
| Earpiece Shape | Rounded |
| Enclosure Material | Plastic |
| External Testing Certification | / |
| Form Factor | In Ear |
| Frequency Response | 20 KHz |
| Headphone Folding Features | In Ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 16 ohm |
| Manufacturer | Anker |
| Model Name | Space A40 |
| Model Number | A3936 |
| Noise Control | Active Noise Cancellation |
| Number of Items | 1 |
| Style Name | Classic |
| UPC | 194644294656 |
| Unit Count | 1 Count |
| Warranty Description | 18 months |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
M**S
Don't tell Apple I said this but ...
... these are better than Apple on many levels. I don't know if audiophiles will agree, but Consumer Reports seems to in the under $200 price range. For regular people, the fact that you can get two sets of these for one pair of competing brands' similar or lesser quality earbuds probably solves the biggest problem of earbuds (they're so small they're easily misplaced). First, I *hate* things in my ears, so I was surprised to find years ago that I really liked Apple earbuds / Airpods for quality and fit. I've owned many, many pairs of wired and one pair of wireless. When my wireless Airpods died, these were on sale and it wasn't a great time to drop $100+ on earbuds. If it weren't Anker / Soundcore I wouldn't have even tried these, the price being so low they made me skeptical (and even the Anker brand is getting sketchy in the lowest priced tier of each item they offer). Right out of the box they fit great, worked well, and I've found the quality and ease of use to be better than Apple. The switching device thingie works way better with these than it ever did with my Apple ones. People I speak to often on the phone tell me they pick up my voice better, and I find I can hear phone calls much better. I also can hear Netflix etc better. When I got these, life was too insane for me to even look at or try the app or the other "ends" ... so insane I can't find these at the moment but given the price and the quality I'm back for a second pair. And once I'm done unpacking and I discover the other set I won't even feel guilty about owning two pair: I'll have one for home and one for office, or more likely a second set for when I've inevitably forgotten to charge the case. Before coming to buy a second set I did check Consumer Reports and considered a set from Apple because I have a gift card from them -- wouldn't hurt to have both an Apple and an Anker pair, no? But as of the writing of this review, this is the only pair of earbuds under $100 that scored 5/5 on noise reduction. For sound quality they're 4/5, and only 3 pairs scored 5/5 (and they're $250-350). Amazon wants me to comment on the appearance, water resistance, compatibility, and carrying case ... Eh, I guess I like that I can choose a color that stands out from wherever I set these, I like that there aren't stems sticking out of my ears (those always make me think of chicken drumsticks). The color selection isn't my favorite but it's consistent with the device manufacturers at the moment. The size and shape of the case are fine. It is difficult to figure out which earbud goes in which socket so I put a dot of nail polish on the right so I can both see and feel it (I always forget to do them one at a time).
R**G
Almost a year with these buds - SPECTACULAR!
Final update - the right earbud issue has yet to repeat, so that's not an issue. As I've said, I have four other top end earbuds, and the only pair I use is the Soundcore A40. We have a little land and a John Deere Z920M zero turn, and its loud. My neighbors all have the same mower, and all wear headsets. I now won't mow without my A40's, as the noise cancelling is even better than my 1 month old top end hearing aids (thanks VA). The sound is not like you're sitting in a studio listening to an album on a top end everything audio, but nothing is, so when people try comparing buds to studio headsets, I just smile. The sound is crazy good for a couple of marble sized devices that connect via a rf signal. Darn amazing. Update - I submitted a warranty claim, due to the right earbud not being active when I started this morning, but I decided to put them back into the charge case for a few minutes and it came to life. Here's to hoping this is not a new trend? Still love their sound quality, and general fitment. I have noticed that they have started to come loose when I'm bent over working in the heat. I've been tempted a couple times to buy new buds, but these are still very hard to beat. Over the last two months I've tried several earbud, all were horrible failures. These are different. Shortly after I got them I headed from N. FL to Delta Junction AK. So 9 total hours in the air both directions. While there I spent 5+ hours a day running a chainsaw, a stump grinder, and a commercial wood chipper, all while using the noise cancellation (N/C). I never ran out of battery life while running N/C, although once I left the first leg of my flights, I did put them back in the case, so each leg they were returned to full charge. Only once did I have one come lose from my right ear, and it did not fall out. Before I left I'd use them to run my John Deere commercial mower for the two hours it takes to mow the yard, and they were awesome at cutting out motor noise. Wear - With the correct tips they work flawlessly. They have a fit process called Real Ear ID (or something like that). The testing will determine the best fit and seal by running those tonal sounds you're used to in hearing test booths. I was never able to get a passed or perfect fit according to the test, and I did try three sets of the foam tips (these did not work in my ears, and they did not allow the buds to charge in the case). As I said they stay in your ears. Charging - The case is small and give you a full charge in well under an hour. There are only 3 led charge indicator lights, and I've never had less than 3 lights. The case also has the USB-C type charging port, unlike half of the other buds I tried, which still had micro USB. There are no good case covers that I found on Amazon, but I bought a soft case cover and it works ok, where I'd rather have a hard cover. Touch control - the app allows you to change the function of single, double, triple touch, and long hold. The touch is responsive, and accurate. Wear - Possibly a kind of repeat, as I've discussed fit, but I wanted to cover comfort. I do not get wear fatigue. Sound and volume - The sound is easily as good as my Samsung Ear Buds Pro with much better battery life. Volume seems to be a problem with most earbuds, but not these. I'm older with hearing loss, and like to listen to my music louder than is comfortable for most. I end up around 45% of volume for regular listening, and around 70% they become too loud, but the sound is still clear and crisp. The App - It is simple, but complete, with EQ function. I've finally found a set that I'll keep.
L**R
4 years and a trip through the laundry - still going strong
I'm here to make the review I always look for when getting stuff on amazon. I've been using these earbuds for 4 years now, here's my thoughts on them: Sound quality: Solid 3.5/5 Fine. Not the best, definitely not cheap earbud quality either. Very mid, but I'm not super picky. There are settings in the app to adjust the bass and treble and stuff, you're not gonna get super good bass. It'll be fine tho, completely passable even if you're sensitive to crappy audio quality. The noise cancelling is pretty good as well, I've had trouble with transparent mode with all earbuds because my hair knocks into the earbuds and makes everything sound terrible, but it has that capability too. Very solid all around. Battery: 5/5 I lost these things for over a year before I started using them again recently. I opened them up, and the case still had multiple hours of charge left on it. That case will hold that charge for dear life, you will need to pry it from its cold dead battery hands. I never charge these things, and the battery never seems to go down. It must be some kind of magic. I wear them all day at work, 8 hours, 3 days a week. The buds themselves will die on you in that time, but you just need to chuck it back in the case for a couple minutes and you're set. Durability: 5/5 Most incredible of all is what these earbuds have been through. if the case drops, the buds are flying. They'll be fine, but I'll admit it's not fun to chase after them. But! Recently - for context, when I wear them to work, I normally just wear one bud at a time so I can hear customers and so I can rotate them charging in the case - I left one of the earbuds loose in my pants pocket and it ended up going through the wash. Then, a couple days later when I went to work again, I open the case, one is of course not there, and I'm disappointed because I thought I probably lost one of them forever - highly likely, I've had them for so long and they're so small - half way through the day, I go to put my earbud back in my ear, and it doesn't fit in my right ear, and I quickly realize that I just found the left earbud in the pocket I had left it in days prior. The bud was very dead, but on a whim I stuck it back in the case to see if it turned back on. Lo and behold, sounds exactly the same, works exactly the same, it's like nothing even happened! That earbud went through not just the washer, but the dryer too! Long story short - these things are very durable. I don't recommend testing that yourself tho lol Comfort: 3/5 I don't find earbuds in general to be the most comfortable thing, I get ear fatigue really easily, but these are perfectly standard par when it comes to comfortability for me. Part of it is probably up to user error, trying to pick out which tips fit my ears right is hard for me. Earbuds are just more discreet than whole over the ear headphones when I'm working and I'm trying to hide that I'm listening to music lol I've tried sleeping in them, I think you could if you don't move very much and you sleep on your back, but it isn't the best if you're on your side. Passible if you're very desperate tho, I've slept in them. I didn't wake up in them, but I did sleep in them. I'd recommend these to your average person. My music sounds good, noise cancelling when I want it, tiny and portable, and the charge lasts forever. I've been consistently impressed with the couple soundcore products I've gotten over the years, and I'm happy to be able to add a review to assure you these won't poop out on you in less than a year like some other, similar earbuds do ~cough~cough~raycon~cough~
J**A
Great Sound, Great Price
I had never heard of Soundcore products but the price point and product reviews found on-line suggested that I should take a chance. Boy am I glad I did. They are terrific, well worth the price and the sound quality is better than my old Jabra 75 Elites. I lost one of the ear buds of my Jabra set, so I had to replace them. The Jabra Elite price more than doubled since I purchased them, so I looked elsewhere. They charge quickly, last longer than any other pair of wireless ear buds I have had, fit great and I found the sound to be extremely customizable. They are water-resistant but not water- proof, so don't go swimming. The only downside is the noise cancelling could be better but at this price point, I can't complain. It is still very good and it's not a bad thing to be aware of your surroundings.
D**N
Terrific overall; but with several cautions after using them for a while
These last for at least 8 hours, the ANC is great, the case is compact. Get the app for your phone--you can adjust various things, particularly the equalization curve. As an audio engineer, I hate the numerous brainless equalization curves, labelled with such meaningless terms as "Dance" or "Hip-Hop" or "Lounge" and so forth. No, you equalize for flatter bass, midrange, or treble. That's about it. And the app lets you adjust those things manually, fortunately. Other than that, great product. Aftermarket foam tips do a better job of sealing and minimize risk of falling out. Get these. UPDATE TWO MONTHS LATER: (1) Tried using them while running a lawn mower. Yes, the noise-reduction really does work. To my great surprise, the foam and regular tips were about equally effective. The foam might still be slightly better if they help to keep the buds in place. With my ears, not much difference as the tips don't go into the ear very far anyway, so foam doesn't make much difference. (2) The original buds had an issue--the right bud sometimes wouldn't recharge securely, resulting in a dead bud the next time I wanted to use them. I found that when you put each one in the case, the white light is supposed to come on for a few seconds, indicating a charging connection. The right bud was unreliable in this regard. I returned them, and the new set worked perfectly. (3) I liked them so much I bought a second set. I thought I'd save some money by buying Refurb. HUGE MISTAKE! The refurbs only updated to a version 4pointsomething, rather than 5.39 of the first set, and the noise reduction was lousy. Returned. I then bought another NEW set, which updated to the latest firmware, and the noise reduction was terrific, like the first set. (4) I discovered it makes a big difference to use the smartphone app to calibrate them to your particular hearing. The app actually performs a hearing test at several frequencies and creates a response curve. If you then use that curve as your reference, these things are amazingly well-balanced. So I'm taking off one star because of the charging issue on the first set, and issuing a caution about getting a refurb set which can't or won't update to the latest firmware version. But once you get a good set, they are terrific. ADDITIONAL NOTE: make sure when you put each one away for charging that the white light on the case comes on for a second or two, indicating contact. I discovered that my ear wax or oil or whatever would often prevent good contact, meaning that I needed to wipe the contacts down every time. Also, if you use the bud for so long that it goes completely dead, then when you put it in the case to charge the light will not come on. But after 5 minutes of charging, you can take the bud out and put it back in and then the light will come on as usual. UPDATE 1 May 2025: So I've been using these virtually every night in bed for listening to music for hours before I go to sleep. They are terrific, and the noise canceling is stellar, if you use the app to make sure that the fit is as good as it can be. It's very important when taking them out of your ears to do a quick wipe of the earbud gold contacts on a cotton shirt or something before putting them in the case. Otherwise the connection may not be very good and they may not charge very well. But that's a trivial point, overall these are absolutely First Rate, and I've been giving them heavy use with no issues whatsoever. Noise cancellation is exceptional, frequency response is excellent once they are tuned to your particular ears via the app and the price is reasonable. Rating back up to five stars. I've now bought four sets for myself and friends and family.
S**N
Yes, they fall out of your ear
So I can put these in my ear and shake my head around and they stay put and feel secure. Then, randomly, later on I can be just standing and talking to someone, with little to no head movement and an earpiece can just POP out striking the concrete or tile and ricochet under the sink into the floor drain, for example. The ambient hearing setting is pretty cool, it almost works. I mean it DOES work, but it's not the same as having nothing in your ears, it's more like having only a partially effective plug in your ear. I could still hear people speaking to me, but they were muffled and harder to hear than normal. Distance sounds were much harder to hear than nearby sounds. On noise reduction mode it worked like a normal earbud and reduced outside noise. These have been the best at phone calls that I have tried lately. They quit making the bcs700 neckband which worked great for phone calls (well, worked okay, which is better than most), so I've been experimenting with all kinds of replacement ideas. These little inside the ear earbuds are comfortable, the volume is great, the caller can hear me over the background noise around me.. which is something 99% of these things fail to achieve. They're small and their case is small, so it's not as inconvenient to take them out and put them in my shirt pocket or their case if I need to talk to someone without my ears plugged. They're tough, I guess, because one of them has hit the concrete twice, the tile once, and they other hit the tile once, and so far after 1 day they haven't shattered. That's going to be a problem though. I can't have them randomly POP-ing out of my ear to go skittering off under cabinets or whatever, especially not on construction sites where I work. They'll end up in wet cement, or down a floor drain, or buried in sawdust or something one of these times. The good: comfortable, lightweight, long-lasting (8 hrs or more), good volume, almost let's you hear ambient noises when set to that function. plus they have a cool app! The best part of the whole thing is that your caller can hear you, even in a noisy work van with tools and equipment rattling. Even with the AC on and blowing at your face. Even on a jobsite where various people are running power tools in the background. That's Fracking amazing. The bad: I never could figure out where the "button" is or what makes it think there has been a press or double press. Somewhere on this little bud is a "button" that does different functions depending on if I press, double press, or long press. I assumed it would be the big flat round piece with the logo on it, but there's nothing that gives you a tactile feedback and the device doesn't always react if I press there. sometimes it does, but sometimes it reacts as if I pressed there when I'm touching only the edge.. so I'm not sure. I'm sure it says in the manual, but I'm sure I can figure this out on my own eventually without having to resort to reading the manual!! I'm not a nerd!!! Another bad thing: They randomly POP out of your ear, especially if you happen to be over tile or concrete. If you carry a flashlight in your tool bag, that can help you spot them if they end up in a floor drain or wedged in the dark recesses of a bottle caps, broken glass, in a sticky black patch of goo that was probably formed from old beer and soda, under the sink at the bar where you are working. These might be more suited to a carpeted environment so they take less impact damage. I kind of wish I had bought some with an ear-hook so that if the bud part popped out at least it wouldn't fall to the ground. I'm going to try these another day or two, try some different eartips and see if I can reduce the POPout.
K**E
Beats Studio Buds Comparison Review
Writing this after less than 24 hours of use, so can't speak to longevity. I was previously using Beats Studio Buds from 2021 until yesterday, April 2026. After HEAVY daily use, my Beats buds finally kicked the bucket. I am not in the financial position I was in when I bought the name-brand earbuds, so I was looking for a more budget friendly option without losing too much of the quality I was accustomed to. I like that the case is slightly smaller because I do carry my earbuds around in a case hooked to my keys. Still waiting for my case to arrive, but they'll be taking up less space than my previous pair. One thing I noticed is that they connect MUCH faster than my Beats did. There is no lag at all, the second I take them out of the case, they pair. Beats fit more snugly and a bit more comfortably, but after swapping the rubber heads to a size up, these fit nicely. Still adjusting to how they feel in my ear, but that seems to be a familiarity issue rather than a flaw. I have not yet worn them during exercise so I can't speak to how well they stay in, but I haven't had any issues using them at my office job. Noise cancellation was not my main priority because I usually only have one bud in at work, and if I'm exercising outdoors I like to have awareness of my surroundings, but I do think the noise cancellation is better on these than on my beats. I've noticed even with only one earbud in, I've not noticed people talking to me as easily. The case charged up very quickly to a full charge and I've had one earbud in for the better part of an 8 hour shift and it's still working great. Another feature I think is SO smart is that the rubber pieces that insert into your ear also have a mesh pattern which covers the actual wire mesh filter that sits inside the earbud preventing that from falling out or, worse, into your ear. Those mesh filters on my Beats constantly fell out and have been lost for a very long time. I'm no advanced audiophile, but to me the sound quality is more or less the same as before. At the very least, there is nothing about the Beats buds that are worth roughly $100 more than these. I have not tested the microphone for phone calls, and I won't be, it's just not something I use or need. I do think that they should have come with a carrying case due to how small and sleek the case itself is. Easy to remedy with a case ordered separately, but it would have made them feel more high quality. Initial pairing was common sense but a gripe I had was that the instructions were images only, no written text, and I had to find out from a YouTube comment section that for them to pair successfully you have to remove the buds and remove a teeny tiny piece of film off the bottom of the buds. The instructions neither pictured nor mentioned anything about that and it would have saved some frustration and extra googling had that been included. If these can last as long as my Beats Studio Buds did, then I can't think of a reason to pay the premium for a name brand earbud. Very pleased!
C**A
Good earbuds but sound quality leaves some to be desired
I've been using the same TOZO earbuds for 2 years and decided to buy these earbuds for these reasons: 1) longer battery life, 2) more options for sound modes, and 3) better connection with my iPhone. To give a little background, I primarily wear earbuds while working, commuting on the bus, and for personal use at home. But unfortunately, I decided to return the Soundcore earbuds for a few reasons. Continue reading below for my reasons why. Likes: 1) I really like the sound quality options as well as the ability to adjust the sound quality, using the Soundcore app which I think is a definite must if you want more control over the sound quality. I've really enjoyed switching between the ANC & transparency modes as they are surprising modes I never realized I wanted. With TOZO, I could only wear 1 earbud when using them at work so I can still hear my surroundings. But with the Soundcore earbuds on transparency mode, I can wear both earbuds and still hear the ongoings around the office near my desk. 2) The battery life is also a godsend in both the earbuds and the charging case. I don't think I fully realized when purchasing, how fast the earbuds would charge when in the case. At one point, I used the earbuds for 8 hours between ANC & transparency mode, charged the earbuds in the charging case for 15 minutes when I was on my break, and when I went to use them again afterward the earbuds were already 80-100% charged as according to my iPhone. Considering how often I use the earbuds after 8-10 hrs per day and 4-5 days of use from a full charge, the battery life is still 2 lights remaining which according to the Soundcore manual should be about 70-50% battery life remaining (I think that's the right range). 3) After using the TOZO earbuds, I've grown to appreciate wireless charging which the Soundcore earbuds do so that's a plus. Much easier for me as I'm still unused to using a USB-C cable which the Soundcore earbuds do come with, but I just have not liked charging my earbuds with a cord as much. Dislikes: 1) As much as I love the sound modes, I desperately need as much noise canceling as possible when using earbuds at home/commuting. So when I'm at home/commuting, I more often use the ANC mode on these earbuds. The audio setting does perform noise canceling well but these fall below the bar when I compare these earbuds to my TOZO earbuds which block out more noise than the Soundcore earbuds. I can cancel out more noise on the Soundcore earbuds by raising the volume under ANC mode. But as much as I would like to continue that method on the Soundcore earbuds, I value retaining my hearing as much as I can. 2) Connection-wise for the Soundcore earbuds with my iPhone was good to a point. Connecting to my iPhone was no issue, it was some situations in retaining that connection when going about my day is the issue. I've found the audio connection for the Soundcore earbuds cuts off when I'm on the bus/car (don't worry I'm not the one who's driving). When the vehicle (bus/car) drives over a very bumpy road/highway, the audio cuts off in response until the vehicle is back onto a smoother road/highway. I've also noticed this connection issue when I'm walking around my apartment complex, specifically when I walk under and through a small hallway to enter between complex buildings (my apartment complex is primarily outdoors when navigating between complex buildings to access apartment units). I had this issue recently with my TOZO earbuds so I'm sad I'm already having this issue with the Soundcore earbuds right out of the box. Mind you, the Soundcore earbuds I received may be a previously returned set that was already opened. 3) Receiving the Soundcore earbuds already opened dampened my experience with these earbuds early on. But I knew this was a familiar tactic that Amazon often does if the condition of the item is still almost good as new. So I tried to keep my fingers crossed that using the earbuds changed my mind since the earbuds still looked unused and had no residue of dirt on the earbuds themselves. I still cleaned the earbuds myself just in case, especially nowadays with the pandemic. Overall: The fact that qualities I liked with the TOZO earbuds were missing out for me when using the Soundcore earbuds (sound quality) and I started having the same issues with the Soundcore earbuds as I currently have with my TOZO earbuds (connection issue), this was big negative for me since I still wanted to retain that quality as this was a $99 purchase. But I still rated these earbuds 4 stars because I really liked the battery life which exceeded my expectations and I really liked the type of sound quality modes in tandem with the Soundcore app as it really helped me customize my experience day to day depending on what activity I'm doing (commuting or at work).
C**A
Great value for money
I lost my AirPods and wanted to buy a replacement without spending too much. Read glowing reviews online and went ahead and bought on Amazon.SG. Delivery was very quick, setting up was easy and works as promised. Noise cancellation is reasonably good too.
E**N
Great backup earbuds
Great audio for the price, noise cancellation works great in the office.
S**F
Amazing Mic and Sound quality
Great value for money, amazing base, perfect mic, very light on ears. i used to use Samsung Galaxy bud 2 Pro but after using Soundcore A40, i have realised it is much better in terms of call quality, music perhaps the same (but in nearly half the price of samsung buds). 3D sound is not so great though, but overall great music and call experience.
J**E
Brilliantly useful, and superb quality
MUCH BETTER THAN THEY HAVE RIGHT TO BE! £45, that's what I paid for them 7 November 2025. Next to them, I have a pair of Bowers & Wilkins Pi8 earphones that cost £349. They sound the same, which is absolutely great. But consider their price - £45!! The noise cancellation got a great workout tonight on the train with crying babies, train noise etc - absolutely great. The sound quality is great. But here is where it gets interesting; The Soundcore Space A40 just WORK. Dual device connection, and if I'm watching on the TV, it is also connected to my phone. If I send messages on my phone, the earphones just prioritise the TV. Whereas my expensive B&W drop the TV sound for a brief moment to try play the send message tune. The Soundcore has a very advanced EQ range of settings. You can turn off touch control buttons to name a few. The ear bud tips come in a variety of sizes, making for a comfortable fit - even while you're sleeping on your side on them! To be clear; I bought a set of earbuds for 7x the price of these Soundcore Space A40 and the Soundcore is absolutely better value for money. It has a great deal more functionality than the others and the design looks and feels premium. This is my 5th set of Soundcore ear/head phones (others I lost or stepped on). I doubt I'll buy anything other than Soundcore from now on
R**O
Lo vale totalmente
Cuando compré estos audífonos los compre a ciegas sin ver las especificaciones y déjenme decir que quede totalmente asombrado de el audio y su rango de frecuencias que puede reproducir y aparte que tiene cancelación de rudo activar y pasiva, no sabía que tenía una aplicación para ver la batería y modificar la calidad de sonido aparte de que puedes modificar los controles touch que tienen los audífonos ,la batería es impresionante lo que dura y aún más la batería🔋de el estuche es demasiada, quedó gratamente satisfecho por este producto una de las mejores inversiones que e echo
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