Philips Sonicare 2100 HX3651/13 Sonic Electric Toothbrush, 14-day battery life

The Philips Sonicare 2100 HX3651/13 offers up to 31,000 movements per minute and a daily cleaning mode. SmartTimer tracks two minutes of brushing, and QuadPacer alerts you every 30 seconds to switch to a different area. It includes a standard C1 ProResults brush head and a USB charging base. Its rechargeable battery provides up to 14 days of use, and EasyStart gradually increases power during the first 14 uses.