Product Overview: Philips Sonicare Diamond Clean Black Tooth Brush offers an advanced cleaning system that whitens teeth in just one week and improves gum health in two weeks. Key Features: ‣ Uses sonic technology to remove up to 7x more plaque than a manual toothbrush. ‣ Features five brushing modes for a customized oral care regimen. ‣ Stylish black finish with a charging glass for elegant storage. Specifications: Battery life: Up to 3 weeks Weight: 0.5 lbs Dimensions: 9.25 x 1 x 1 Inch