Does this phone work via Bluetooth connection with cellphone? Or does it only work if it has its own sim card?

Hello. This watch phone can work via both 2 way. You can insert a SIM card or connect to WIFI and use it as a independent phone. If you don't want to use the sim card, it can also be connected with your phone and work as a Bluetooth watch.

My question is if i use the watch with a sim card can i answer calls with my bluetooth headphones so that everyone around me don’t have to hear the co

Yes,you could use the Bluetooth headphones to answer calls. Other people around you won't hear the sound.

Do you know what is the operating system?

Hi, the operating system is Android 7.1.1

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4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB)

Product ID: 183462814

Details

Battery Capacity
2700
Battery Cell Composition
Lithium
Connectivity Technology
Wi-Fi
GPS
Built-in GPS
Memory Storage Capacity
32 GB
Operating System
Android 7.1

📱2.86" immersive HD display

📶4G LTE connectivity with nano SIM

🔋2700mAh long-lasting battery

E£ 36176

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌚ Elevate your wrist game with the biggest, smartest, and most connected watch yet!

SEE MORE DO MORE - Experience the largest 2.86-inch 640x480 HD touchscreen for ultimate productivity and entertainment on your wrist.
HEALTH ON YOUR TERMS - Advanced heart rate sensor tracks your workout, recovery, and daily vitals seamlessly.
CAPTURE LIFE INSTANTLY - 5MP camera delivers crisp selfies and video calls, so you never miss a moment or a meeting.
POWER THROUGH YOUR DAY - Massive 2700mAh battery means fewer charges and more time conquering your busy schedule.
STAY CONNECTED ANYWHERE - Built-in 4G LTE with nano SIM slot lets you make calls and stream apps hands-free, no phone needed.

The Rainbuvvy 4G Smart Watch features a groundbreaking 2.86-inch HD touchscreen, Android 7.1 OS, 3GB RAM with 32GB storage, and a 5MP camera. Equipped with 4G LTE connectivity, a nano SIM slot, and a robust 2700mAh battery, it supports hands-free calls, GPS, and health monitoring with an optical heart rate sensor. Its IP67 waterproof rating and sleek silver design make it the perfect tech companion for professional men on the go.

Specifications

ASIN	B07YCDGSHZ
Additional Features	Camera
Age Range Description	Adult
Band Color	silver
Band Material Type	Silver
Battery Capacity	2700 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Power	2700 milliamp_hours
Best Sellers Rank	#32,363 in Electronics ( See Top 100 in Electronics ) #687 in Smartwatches
Brand	Rainbuvvy
Built-In Media	Charger, Smart watch, Watch Band
Cellular Technology	4G
Clasp Type	Buckle
Closure Type	Buckle
Color	Silver
Communication Feature	[Multiple]
Compatible Devices	Smartphone
Compatible Phone Models	Android 6.0 and above or iOS 11.1 and above
Connectivity Technology	Wi-Fi
Controller Type	Android
Customer Reviews	3.6 3.6 out of 5 stars (555)
Display Type	LCD
GPS Geotagging Functionality	Built-in GPS
Human Interface Input	Touchscreen
Item Weight	3.13 g
Manufacturer	Refly
Memory Storage Capacity	32 GB
Metrics Measured	optical_heart_rate_sensor, camera
Model Name	Rainbuvvy DM100
Model Number	DM100
Operating System	Android 7.1
RAM Memory Installed	3 GB
Resolution	480*640
Screen Size	2.86 inches
Shape	Square
Sim Card Size	Nano
Sport Type	Walking
Style Name	Modern
Supported Application	Camera, Heart Rate Monitor, Phone
Supported Satellite Navigation System	GPS
Target Audience	Men
Warranty Type	Limited
Water Resistance Depth	1 meters
Water Resistance Level	Waterproof
Waterproof Rating	IP67
Wearable Computer Type	Smart Watch
Wireless Compability	Bluetooth
Wireless Provider	T-Mobile

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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E£ 36176

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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