Philips Sonicare DiamondClean HX9352 employs Philips’ patented sonic technology for dynamic cleaning action to deliver clinically proven oral care results. With 31,000 brush strokes per minute, it is proven more effective than normal toothbrushes for cleaning of teeth and removal of plaque. It has 5 modes: Clean (2 mins) – The ultimate in plaque removal (Standard mode) White (2.5 mins) – Whitening mode of 2 minutes to remove surface stains, plus an additional 30 seconds to brighten and polish your front teeth Gum care (3 mins) – Complete mode combines Clean mode with an additional minute to gently stimulate and massage your gums to improve gum health Sensitive (2 mins) – Extra gentle mode for sensitive teeth and gums Polish (1 min) – Quick 1-minute mode to brighten and polish your front teeth It is available in two colours – black and purple, and two sizes – standard and compact. Black is available in stores and online, and purple is available through dental clinics.