Ultrasonic Cleansing Brush: This product can deep clean the skin, remove blackheads, grease, makeup and dirt. High frequency vibration, cleaning and massage are combined into one. Portable and waterproof: IPX7 waterproof level, you can use it at the sink or in the bathroom. Convenient to carry, suitable for travel. Safety silicone material: Baby food grade silicone material, delicate and soft to the touch without hurting the skin. Suitable for all skin types, even sensitive skin. 7-speed design: 7-speed vibration frequency is adjustable, you can control the cleaning intensity according to your needs Quick charge: It only takes 5 minutes to fully charge, and there is anti-leakage protection to ensure your safety.