Features:                                         1. Effective cleaning—This dental scaler uses high-frequency sound waves (31,000 times per minute) to clean your teeth and freshen your breath, which is an indispensable helper for oral care.           2. Significant effect—effectively remove dental plaque, dental calculus, yellow teeth, bad breath, tobacco stains, and improve oral problems.           3. Five-speed mode—The five-speed model is suitable for different tooth conditions and meets the needs of different groups of people. One key can switch modes, simple and fast.           4. Multiple accessories—Three replaceable toothbrush heads can be used for daily tooth cleaning, and two high-quality medical-grade alloy steel replacement heads can be used to remove tartar, tea stains, and smoke stains.           5. USB charging—USB universal interface, can be connected to mobile power, computers, and many other digital products for charging, long-lasting battery life, convenient for you to use anytime, anywhere.                      Specifications:           Name: Electric Tooth Brush           Material: ABS+Stainless steel heads           Color: White, Green, Black           Size: 21.5*2.5*2.5 cm           Weight: 0.19 kg           Packing size: 24.5*10*3.5 cm           Charging method: USB Rechargeable           Charging voltage: 5 V           Battery: Lithium battery           Rated voltage: 3.