-SenseIQ technology senses pressure, motion, and coverage up to 100 times per second and adapts in real-time, automatically adjusting the intensity if you brush too hard. -Box contains : -1 x Sonicare 9900 Prestige Main Unit. -1 x A3 Premium All-in-One. -1 x TongueCare+ + tongue brush. -1 x Prestige USB charging case. -1 x Charger base. -1 x USB Cable. **For further product information, please contact chat support**