Philips Sonicare HX3671/13 Toothbrush

The HX3671/13 is a Sonicare 3100 series electric toothbrush, designed for effective plaque removal while being gentle on gums. It delivers approximately 31,000 strokes per minute, includes a pressure sensor, SmarTimer and QuadPacer functions, and BrushSync replacement reminders. The device is powered via USB (DC 5V).

Technical specifications:



Battery: Rechargeable Li-Ion




Operating time (full to empty): Up to 14 days




Power supply: DC 5V




Cleaning mode: 1 (Clean)




Vibration rate: ~31,000 strokes per minute




Pressure sensor: Yes (warns or reduces vibration under excessive force)




Timer / alerts: SmarTimer (2 minutes) and QuadPacer (30-second zone changes)




BrushSync replacement reminder: Yes