Electric Toothbrush with Smart Timer for Deep Cleaning: Dual-Action Technology for Floss-Like Precision, Ideal for Effective Oral Care and Teeth Whitening Features: High frequency vibration: 31000 high-frequency vibration cleaning heads per minute can effectively tartar and stains, achieving the goal of thoroughly cleaning teeth. 【 5-frequency speed 】 5-speed vibration intensity, button control, meeting different cleaning needs, convenient to use. 【 Universal USB Interface 】 With a universal USB interface, you can directly connect to mobile power supplies, computers, and other devices for charging. A single charge can last for a long time. This tartar remover comes with a host, toothbrush head, and data cable, making it an ideal choice for more cleaning. Precautions: The cleaning head can be replaced, and suitable cleaning heads can be according to different needs. Do not expose the product to direct sunlight. The indoor ambient temperature is -10 ° C to 40 ° C. Do not wash or soak the product for a long time. This product contains batteries. Do not place the product in a fire or high-temperature container to avoid a fire. Product Description: 1X toothbrush 4X brush head High frequency vibration: 31000 high-frequency vibration cleaning heads per minute can effectively tartar and stains, achieving the goal of thoroughly cleaning teeth. 【 5-frequency speed 】 5-speed vibration intensity, button control, meeting different cleaning needs, convenient to use. 【 Universal USB Interface 】 With a universal USB interface, you can directly connect to mobile power supplies, computers, and other devices for charging. A single charge can last for a long time. This tartar remover comes with a host, toothbrush head, and data cable, making it an ideal choice for more cleaning. Precautions: The cleaning head can be replaced, and suitable cleaning heads can be according to different needs. Do not expose the product to direct sunlight. The indoor ambient temperature is -10 ° C to 40 ° C. Do not wash or soak the product for a long time. This product contains batteries. Do not place the product in a fire or high-temperature container to avoid a fire.