Whats the difference between the toothbrush at £299:99 and the one at £129:99?

It prevents you damaging your gums by putting too much pressure on the toothbrush head.

Does the button have a gap round it?

The on off button is recessed into the body of the brush if that's what you mean?

Can I use it without the app?

Yes you can use without App. The app just shows you how and where you are brushing and for how long. Not necessary but useful. The brushes are super expensive. Could be less so - but they are very good.

What’s the difference between this model and philips sonicare diamondclean 9400 sonic electric toothbrush with app hx9917/88?

Hello Declan, Thanks for getting in touch! The DiamondClean 9400 is a great toothbrush from Philips which includes almost all of the premium functions that are available on our products. It removes 10x more plaque, it has 4 cleaning programs you can choose from and 3 intensity levels to find the one that best fits your daily needs. It guides you through your cleaning and points out missed areas. Brings you back to missed spots so you can have a complete 100% coverage. You get an alert every time you are overdoing it while scrubbing and when you are reaching the sensitive areas you have set on the application. You also get an alert for when your brush head needs to be changed and the device selects the optimal settings for each different brush head you are using. Overall a great toothbrush that fits most peoples need. Now the Sonicare Prestige 9900 is the most intelligent and efficient toothbrush of Philips. This is as premium as it gets with this device not only you are getting exactly the same functions as the DiamondClean 9400 but many more personalized options and functions for the optimal brushing experience. With the SenseIQ technology your toothbrush is always set to have the optimal settings for your cleaning including personalized guides form the application. It adapts to your brushing in real time letting you know when you are not following the correct cleaning procedure. Furthermore the Prestige experience is all about cutting-edge technology in a sleek more compact premium design. For more information about these two products you can always visit our official web page. If there is anything else you would like to ask please do not hesitate in doing so by sending us a message on Facebook, Twitter or Instagram! We are always happy to help our customers! Best regards, ILIAS

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✨ Elevate your smile game with smart tech that knows you best!

SLEEK TRAVEL READY DESIGN - Champagne USB charging case with minimalist stand keeps your brush powered and stylish on the go—never miss a beat.
CLINICALLY PROVEN DEEP CLEAN - Removes up to 20x more plaque and delivers 15x healthier gums in just 2 weeks—because your smile deserves the best.
PREMIUM ALL IN ONE BRUSH HEAD - Angled bristles reach every nook and cranny, ensuring a comprehensive clean that manual brushes can’t match.
ADAPTIVE BRUSHING INTELLIGENCE - SenseIQ tech senses pressure & motion 100 times per second, adjusting intensity to protect gums and optimize cleaning.
AI POWERED PERSONALIZED COACHING - The Philips Sonicare app tracks your brushing habits and offers real-time, tailored guidance for flawless oral care.

The Philips Sonicare DiamondClean Prestige 9900 is a state-of-the-art sonic electric toothbrush featuring SenseIQ technology that senses and adapts to your brushing style up to 100 times per second. It removes up to 20x more plaque and improves gum health by 15x in two weeks, supported by an AI-powered app offering personalized brushing guidance. The set includes a premium all-in-one brush head and a chic USB charging case in champagne, combining advanced oral care with sleek, travel-friendly design.

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E£ 63283

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Product Name	HX9992/11 ELEC.TOOTHBRUSH PRESTIGE S-IQ
Units	1.0 count
Country of origin	China
Brand	Philips Sonicare
Age Range Description	Adult
Country of origin	China

Philips Sonicare DiamondClean Prestige 9900 - Sonic Electric Toothbrush with 1x A3 Premium All-in-One Brush Head and Charging Case in Champagne (Model HX9992/11)

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