An electric toothbrush is a battery-powered or rechargeable toothbrush that makes rapid, automatic bristle motions either back-and-forth oscillation or rotation-oscillation in order to clean teeth. There are plenty of electric toothbrushes on the market. Most of them required not so eco-friendly power source. The Be – A toothbrush brainchild of Goodwell. It is different. It is the first powered toothbrush that doesn’t require batteries or electricity to operate. It is a toothbrush powered by user. Simply give the dial two full twists hit the power button, and let Be. go to work on your teeth.