1. Intelligent high-frequency vibration, 31000 times/minute sonic resonance, 40KHZ vibration power, deep cleansing of teeth without damaging the tooth enamel, making your teeth beautiful and bright. 2. Multi-functional tooth cleaning kit: tooth cleaner + electric toothbrush, multi-directional clean without dead ends, professionally remove tartar, smoke stains, tea stains and dental plaque. 3. IPX6 waterproof: fully enclosed and unique design, the whole machine can be directly washed, and it can be used with peace of mind even in the bath. 4. Bright LED lights illuminate the entire oral cavity, with dental mirrors, allowing you to clean the oral cavity more comprehensively and thoroughly. 5. One-key switch four-level cleaning mode (soft mode/ normal mode/ clean mode/ toothbrush mode) to meet different teeth cleaning needs.