This feature protects your gums by signaling to you if you're brushing too hard. The 360° pressure sensor turns red and automatically slows brush speed. Choose a shade that suits you - The new Smart Clean 360 comes in 2 unique colors: Navy and Jet White. Oral-B's unique round head surrounds each tooth for cleaner teeth and healthier gums, removing up to 100% more plaque versus a regular manual toothbrush. Built-in timer lets you know when you've brushed for the dentist-recommended two minutes. The Lithium-ion battery holds a charge that can last up to two weeks. The charging station is small enough to fit on a bathroom counter or sink. The new Smart Clean 360 comes with a specialized Whitening mode.