Features: 1. Ultrasonic tooth cleaner: Use sound waves to smash stubborn tooth stains and dental calculus. The damage to the teeth is very small and cares for your teeth. 2. High quality medical grade alloy can be effectively in the deep blind zone in your mouth, can effectively remove long-term cleaning can't afford the tartar, plaque, smoke stains and tea stains. 3. 5 levels that you can adjust any level so as to adapt to your demands. 4. 2-in-1 design: It comes with a toothbrush , so you can also enjoy experience of using electric toothbrush. 5. Waterproof: Do not have to worry about safety problems when using. 6. Soft silicone handle provides a comfortable hand feeling. 7. Portable size: It is suitable for home use and travel use. Specification: Item Type: Oral Care Tool Material: Silicone, Alloy Input Voltage: 3.7V Rated Power: 5V Battery Capacity: 500mAh Item Length: Approx. 20.3 cm / 7.9 inch Item Diameter: Approx. 3 cm / 1.2 inch Package Weight: Approx. 192 g / 6.8 oz Package Include: 1 * Machine 1 * USB Cable 1 * Toothbrush