Hello Kitty 4D Motion Facial Cleansing Brush cleans he make-up with its 4 direct(right-left $ up-down) rotation and vibration. Features : Vitamin C anti-bacterial Brush : The anti-bacterial Vitamin C helps to keep it cleanly. 99.9% of 24K Gold Plating for Black Color : 99.9% of 24K gold plating gives the luxuriness and it won't be taken off easily. 567 Diamond Cutting Method : Patented diamond cutting method differenciate the design by its cutting method (Patented). Refill Brushes are availale : Fine microfiber brush head is easy to change with refill brush, so it can be used for a long time. 2ea of AAA batteries : It moves with 2ea of AAA batteries, so you don't need to charge