Higher-end Choice: 5 Brushing Modes★Clean - Suitable for most people, to remove up to 100% plaque for dailycleaning.★White - Higher strength and higher frequency than Clean mode.★Polish - To polish for whiter teeth starting and make your teeth bright and white.★Gum Care - Massage teeth and gums in extremely gently frequency.★Sensitive - For a gentle superior clean, Perfect for sensitive teeth and first-time users.Smart Configuration★Built-in 2 minutes smart timer, the electric toothbrush have 30s interval pause to remind you to switch the brushing area. This ensures a balanced clean around the mouth and tries to ensure that time is not focused just on the front or back teeth, but an equal time is applied to all teeth.★15 hours charging for 40-50 days working with 2 times a day. and USB Inductive Charging★The toothbrush includes 4 high-quality replacement FDA Certificated toothbrushes, 5.5mm wide range vibration bristles. Why Choose O'BELLA Electric Toothbrush? 【5 Brushing Modes】: 5 modes for you to choose: Clean, White, Polish, Gum Care, Sensitive to suit different conditions of teeth and gums. And 5.5mm wide tooth-waved bristles made with Dupont nylon, to suit teeth topography for thorough cleaning of gums and hard to reach areas.【Improve Oral Health】: O'bella sonic electric toothbrush with 48,000/rpm removes up to 100% more stains and plaques than a manual toothbrush and the back of brush heads have some silicone dot bulges which can clean your tongue surface, improving gums and oral health and keep clean effectively. 【Intelligent Reminder & IPX7 Waterproof 】: 2 minute smart timer with transitory pause every 30 seconds helps you reach the brushing time and habits recommended by dentists. Convenient use during bath and shower, IPX7 waterproof makes it easier to be cleaned under the faucet.【15 Months Warranty】: Our Electric toothbrush come with 15 months full warranty to cover any issues, any problem please feel free to contact us.