Removes up to 7x more plaque vs. a manual toothbrush.Battery indicator : Light shows battery status.Pressure sensor and two intensity settings protect sensitive gums from overbrushing2 minute SmarTimer with QuadPacer ensure Dentist-recommended brushing timeBrush head replacement reminder ensures your brush head is always effectiveLong battery life with battery light indicator: One charge last for 2 weeksIncludes: 1 Philips Sonicare 4100 handle, 1 Optimal Plaque Control (C2) brush head, and 1 USB charger (wall adaptor not included)Subscribe & Save on genuine Philips Sonicare brush head replacements and save up to 15%.SRG, Test Report, CIPS918151 (2021)
