Features: 1. Intelligent high-frequency vibration effectively remove the dirt on the surface of the teeth restore the naturally color of the teeth free of tooth stain. 2. Comfortable hold. It reaches all your teeth easily and the power of the vibration is perfect. 3. Painless and effective: After use it your teeth will be noticeably whiter. 4. Faster charging longer use time after fully charged if use it twice a day once for 3 minutes can be used for more than 15 days. 5. Full body waterproof design rinse directly with water after use safe fast and easy to clean. 6. 5-gear adjustable easily adjust the strength that suits you so that the teeth can be cleaned in a comfortable environment. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Type: Electric Tooth Cleaner Material: silicone + plastic Use environment: room temperature Applicable people: adults Style: Rechargeable (built-in battery) Product size: 190*30.5*20.5mm Rated voltage: 3.7V Rated current: 200mA Standby current: 20ua Battery specifications: 300mAh Power adapter: 5V 500mA Charging time: less than 2 hours Motor noise: less than 60 dB includes: 1 x Electric Tooth Cleaner 1 x charging cable 1 x user manual "