Philips Sonicare DiamondClean HX9372/31, Adult, Sonic toothbrush, Daily care, Deep clean, Gum care, Sensitive, Whitening, Black, 62000 movements per minute, Violet Philips Sonicare DiamondClean HX9372/31. Purpose: Adult, Toothbrush type: Sonic toothbrush, Teeth brushing modes: Daily care, Deep clean, Gum care, Sensitive, Whitening. Power source: Battery, Battery type: Built-in battery, Battery technology: Lithium-Ion (Li-Ion). Product performance: Removes up to 10x more plaque. Number of handles included: 2 pc(s), Number of brush heads included: 6 pc(s)