Welcome to our store! 3 Adjustable Modes & High-Frequency Vibration: The electric toothbrush set is designed with 3 different high-frequency vibrations: soft, normal, strong, and the vibration frequency can be as high as 20,000 times per minute, which can not only effectively remove stubborn tartar but is also suitable for different gum sensitivities, meeting all kinds of needs. IPX6 Waterproof & Detachable: IPX6 waterproof and detachable heads, the electric toothbrush can be washed directly with water, safe, convenient, and easy to clean (Note: do not soak the unit in water). Multiple Cleaning Heads & Safe Material: The cleaning tool comes with different types of cleaning heads: flat for the surface and pointed for the gap between teeth, which are made of safe 304 stainless steel, safe and easy to clean. USB Rechargeable & 400mAh Battery Capacity: Equipped with a 400mAh battery capacity and USB rechargeable socket, you never have to worry about the battery running out on your trip or business trip, the toothbrush can be in standby continuously. With a compact design, it is safe, easy to carry, and convenient to use. Satisfaction: Our customers are our top priority. If you find any issues with the product after receiving it, such as damage, incorrect quantity of goods, please contact the seller immediately, and we will do our best to provide you with satisfactory customer service.