The most loved rechargeable electric toothbrush brand by Americans and their dentistsRemoves up to 6x more plaque than a manual toothbrushPatented sonic technology: With up to 31,000 brush strokes per minute, dynamic fluid action helps clean between teeth and along the gumlineConsumers must allow the product to charge a full 24hours in a working outlet,As its charging a battery light will indicate when the handle is fully chargedSmartimer encourages 2 minutes of brushing as recommended by dentistsEasy-start feature slowly increases power over first 14 uses making the switch to Philips Sonicare easy