1. The lightweight and portable sonic toothbrush is made of non-slip material with an ergonomically designed handle, bringing you a comfortable brushing experience. 2. High-frequency sound wave vibration deeply and powerfully cleans the mouth, effectively removes periodontal bacteria, tartar and calculus, prevents dental inflammation, gingival bleeding, and prevents gingival atrophy. 3. One-key operation (power on work off), cleaning mode, simple and quick to operate, saving time and effort. 4. The toothbrush head adopts imported slender soft bristles that have been cut and uniquely rounded, which fits the curve of the teeth, effectively cleans the teeth, cares for the gums, and reduces tooth damage. 5. IPX7 waterproof: the whole machine is waterproof, you don't have to worry about soaking and dampness, it is safer to use. * How to use: When using this product for the first time, some people will experience irritation and numbness due to the high-speed vibration of the bristles. Please don't worry, this is a normal phenomenon. This feeling will gradually weaken later use to adapt to the vibration frequency of the toothbrush.