Effectively remove plaque. Advanced sonic technology; Remove stains for whiter teeth. Rechargeable. Oral-B, the brand more dentists use themselves worldwide. Brush like a dentist. For a healthy mouth that shows in your smile. Deep cleans to remove plaque while gently stimulating gums. Safe and gentle on teeth and gums. Advanced Cleaning Technology: Sonic brushhead: advanced brushhead technology with patented crisscross bristles angled to thoroughly clean teeth and stimulate gums; High speed sonic motion; sustained rechargeable cleaning power: Lasts 5 days between charges when brushing two times a day for two minutes each. Dentists recommend changing your brushhead every 3 months. Two Minutes Timer: Pulsating signal after two minutes recommended brushing time. Rechargeable: No replacement of batteries needed. For use only with Oral-B Sonic Complete and Oral-B Sonic brushheads. Contains 1 Oral-B Sonic brushhead. UL Listed. Made in Germany.