This Item is brand new unopened, but may show some signs of damage on the packaging. ABOUT THIS ITEM * Removes up to 7x more plaque vs. a manual toothbrush * Pressure sensor and two intensity settings protect sensitive gums from overbrushing * 2 minute SmarTimer with QuadPacer ensure Dentist-recommended brushing time * Brush head replacement reminder ensures your brush head is always effective * Long battery life with battery light indicator: One charge last for 2 weeks * Includes: 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)