Strong mode for powerful teeth brushing; 2. Massage mode for gum massage; 3. Whitening mode for teeth whitening. （Blue LED light built into the electric toothbrush. efficient and convenient. 【IPX7 Waterproof + High-Quality Material】– The base can not touch the water;Made by food grade eco-friendly silica gel, this sonic whitening toothbrush is super waterproof and can be cleaned and reused.
