Philips Sonicare ProtectiveClean 5100 Rechargeable Electric Toothbrush, with Pressure Sensor, 3 Cleaning Modes, SmarTimer and QuadPacer, 14-Day Battery Life, Travel Case, White, Model HX6857/11

Customers find this electric toothbrush to be of high quality and effective at cleaning, reporting that their teeth feel cleaner than ever. However, the reliability receives mixed feedback - while many say it works extremely well, some report that it stopped working after just two weeks of use.