1pc Sonicare Electric Toothbrush HX2421, USB Rechargeable with Ultra Soft Bristles, Full IPX7 Waterproof, 750mAh Lithium Polymer Battery, ≤36V, Automatic with Soundwave Vibration Technology

The new machines need to be charged for over 10 hours before use to ensure they are fully charged. Our Easy Start brushing motivation enhancement program offers gradual options to boost your motivation during the first 14 uses of the new toothbrush.