Features:<br> <br> 1.Effective cleaning-This ultrasonic 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.<br> 2.Five-speed mode-The five-speed mode is suitable for different tooth conditions and meets the needs of different groups of people. One key can switch modes, simple and fast.<br> 3.Significant effect-effectively remove dental plaque, dental calculus, yellow teeth, bad breath, tobacco stains, and improve oral problems.<br> 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.<br> 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.<br> <br> Specifications:<br> <br> Material: ABS<br> Color: white, green, black<br> Size: 21.5*2.5*2.5cm<br> Weight: 0.19kg<br> Packing size: 24.5*10*3.5cm<br> Charging method: USB interface<br> Battery: Lithium battery<br> Rated voltage: 3.7V<br> Rated current: 200mA<br> Power adapter: 5V<br> Vibration frequency: 22000 times/min<br> Charging time: about 2H<br> Waterproof rating: IPX6<br> <br> Packing List:<br> <br> 7pcs:<br> 1* Host *1<br> 1* Flat head<br> 1* Dental mirror<br> 3* Toothbrush head<br> 1* USB Charging Cable<br> <br> 5pcs:<br> 1* Host *1<br> 2* Toothbrush head<br> 1* USB Charging Cable