Philips Sonicare HX6877/54, Adult, Sonic toothbrush, Daily care, Gum care, Whitening, 62000 movements per minute, White, 2 min Philips Sonicare HX6877/54. Purpose: Adult, Toothbrush type: Sonic toothbrush, Teeth brushing modes: Daily care, Gum care, Whitening. Power source: Battery, Battery type: Built-in battery, AC input voltage: 110 - 220 V. Number of handles included: 1 pc(s), Number of brush heads included: 2 pc(s). Battery technology: Lithium-Ion (Li-Ion)