All the reviews are from amazon vine voice. how can these be unbiased reviews? especially for something so expensive.

I am a Vine Voice reviewer and I still only gave it 3 stars. As a toothbrush it is great, and the carrying case is nice. But is it $200 BETTER than the model just below it? No, it is purely a "I am rich and want a rich person's toothbrush". Also, Vine Voices still have to pay taxes on the product received. In taxes this cost as much as the second best model, so Vine Voice folks are not going to get this and give it a highly rated review if they don't like it... at least I wouldn't.

Does Sonicare make a “compact size” replacement head for this toothbrush!

Hello! Yes, you may use the Philips Sonicare DiamondClean Compact Brush Heads HX6074/26 for the Philips Sonicare 9900 Prestige toothbrush.

How does this compare to the model 9700, what are the main differences?

Hello! The Philips Sonicare 9900 Prestige toothbrush is our most advanced electric toothbrush always gets you, sensing your brushing style and adapting to you as you clean with the Premium All-in-One brush head. Unlike the Philips Sonicare DiamondClean Smart series, the Prestige comes with Premium All-in-One brush head that is our all-time best and the only thing you need to achieve cleaner, whiter teeth and healthier gums. It comes with 1 button that has no visible gaps and it joins between the button and handle.

ASIN	B08YCZNSLL
ASIN	B08YCZNSLL
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	#189,096 in Health & Personal Care ( See Top 100 in Health & Personal Care ) #207 in Sonic Toothbrushes
Country of Origin	USA
Country of Origin	USA
Customer Reviews	3.8 3.8 out of 5 stars (671)
Date First Available	25 September 2021
Included Components	Charger, Travel Case
Included Components	Charger, Travel Case
Item Dimensions LxWxH	7.4 x 16.8 x 16.8 Centimeters
Item Dimensions LxWxH	7.4 x 16.8 x 16.8 Centimeters
Item Weight	405 g
Item Weight	405 g
Item model number	HX9990/11
Item model number	HX9990/11
Manufacturer	Philips Sonicare
Manufacturer	Philips Sonicare
Net Quantity	1.0 Count
Net Quantity	1.0 Count
Product Dimensions	7.4 x 16.8 x 16.8 cm; 405 g
Product Dimensions	7.4 x 16.8 x 16.8 cm; 405 g

9900 Prestige Rechargeable Electric Power Toothbrush with SenseIQ, Champagne, HX9990/11

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