Soft silicone bristles with active ingredients of bamboo charcoal. Bringing more powerful cleaning effect and stronger bacterial inhibition than regular high density bristles brush, with the super adsorption ability of bamboo charcoal. 4 different nursing modes. Abundant fine bristles for general face cleansing, extra raised and intensive bristles at the top for precision clean in the hard-to-reach areas, massage function at the wavy area on the back and special negative ion induction function at the bottom metal coating area to promote nutrient absorption when you apply some essence or masks. High frequency vibration. 12000 strokes/min and 5 levels adjustment for different skin sensitivities, with smart memory function - automatically remembers the last frequency you used. Unique noise canceling design. Also, vibration causes less damage to the skin than spinning, while promotes skin activity more. Wireless charging. Smart inductive charging design with high-performance lithium battery, 3 hours fast charging for 30 days usage ( 5min a day ). True IPX7 whole body waterproof without cutouts for safer usage and easier to clean. Tiny & Portable. About the size of your palm, easy to take along in the handbags, gym bags or travel bags. A perfect gift for your wife, girlfriend, sister or female friends at a decent price, especially when it's elaborately packaged. Super Adsorption Ability of Bamboo Charcoal Ingredients Soft silicone bristles added with bamboo charcoal ingredients, easy to clean the dirt deep in the pores with the super adsorption ability of bamboo charcoal. While regular bristle brushes can only clean the surface.