Electric toothbrush: Get an electric toothbrush. Features:: With six adjustable speeds, plus a two-minute timer to ensure a thorough clean. Brush heads: Includes four toothbrush heads. High frequency: New generation of 3D high frequency acoustic vibration, up to 42,000 times per minute for effective tooth cleaning. USB rechargeable: Includes a USB charging cable. Colours: Choose White, Pink or Black. Electric Toothbrush & 4 Heads | Black | Living Social