specification: _x000D_Item Type: Nail Drill Pen_x000D_Material: Aluminum Alloy_x000D_Optional Color: Gray, Pink_x000D_Power Supply Mode: USB Interface_x000D_Battery Type: Built-In Battery_x000D_Battery Model: 102050_x000D_Battery Capacity: 1000mAh_x000D_Features: Short and beautiful, product size design is beautiful, more in line with the posture of a woman holding a polishing pen_x000D_Uses: Household, nail salon, etc. Features: 1The speed of the polishing pen can be switched by one key, and the speed can be adjusted from gear 1 to gear 3. 2This mini electric nail drill machine is small and light, just put it in your handbag or suitcase, take it to travel or wherever you want to go. 3This is a professional polishing tool for manicure and pedicure, suitable for nail salon and home use. 4High?density aluminum alloy machine body, with anti?slip surface treatment, can freely replace the polishing head, and easily cope with various nail art problems. 5Two ceramic grinding heads with different functions are also included, convenient for use. PackageList: 1 x Nail Drill Pen 1 x Manual 1 x USB Cable 2 x Ceramic Grinding Head