【Comfortable Rotation & Scalp Cleansing Brush】 Four independent silicone brushes rotate, providing a refreshing sensation that hand washing can't match. The physical movement of the brushes gently cares for the scalp while removing dirt. With three levels of intensity to choose from, it transforms your daily bath time into a more comfortable and refreshing experience. 【IPX7 Waterproof & Thorough Cleaning】 Certified with IPX7 waterproof rating, it can be used without issue during showers or baths. The main unit can be washed with water after use, keeping it clean. Its compact design doesn't take up much space in the bathroom. 【Wet & Dry Use & Safe for Bathing】 Designed with sensitive scalps in mind, the silicone brushes have rounded tips. They have a moderate elasticity, gently cleansing the scalp and hair. The brush part can be removed and washed, ensuring hygiene. It can be used anywhere, anytime, and easily applied to the scalp. 【USB Type-C Rechargeable & Quiet Design】 Features a versatile USB Type-C charging port. The cordless design makes it easy to carry, allowing you to use it while traveling or on business trips. The quiet operation allows you to use it at night without worrying about disturbing others. The 10-minute auto-off function prevents overuse.