Philips Sonicare 9900 Prestige Electric Toothbrush App-Linked Midnight Blue HX9992/22

power supply: AC100V-240V 50/60Hz (for overseas use)
Sonicare app: compatible OS, iOS: 11.0 or later, Android: 6.0 or laterSonicare App: Compatible OS, iOS: 11.0 or later, Android: 6.0 or later
Warranty: 2 years (handle, charger stand, USB charging travel case, USB cable, power adapter)

Usage time: Approx. 2 weeks (2 minutes of brushing twice a day)

Included: Handle, A3 Premium All-in-One Brush Head, Tongue Brush Head, Charger Stand, USB Charging Travel Case, USB Cable, Power Adapter, and User Manual
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● Personalized oral care with SenseIQ technology● Removes up to 20 times more plaque than manual brushing● Removes up to twice as much stain in 2 days● Promotes healthy gums in 2 weeks● Compact, seamless handle design for ease of use● Lighted handle tip alerts you when it is in use Over-pressure prevention sensor" and "Over-action detection function" - Personalized brushing guidance with the Sonicare App - Includes a compact USB rechargeable travel case for convenient portability - No. 1 electric toothbrush brand used by dentists and dental hygienists in Japan for 15 consecutive years