Colours: Available in black or white. Perfect: For cleaning those hard to reach areas. Product: Get this Sonic Pro Electric Toothbrush with Charging Dock today! Intelligent Timer: Features a 2-minute shut off to ensure optimal brushing time. Three-Modes: Including clean, including clean, whiten and massager. Brush Strokes: 41,000 strokes a minute. Includes: 3 replacement brush heads and a rechargeable lithium-ion battery, which can last up to 3 weeks on full charge. Sonic Pro Electric Toothbrush With Charging Dock | Black | Living Social