Made of material, safe and durable for use, long serving life. You can give it as a any nail , give them a little surprise. Compact and portable design, small size and lightweight, easy to carry, suitable for use at home, nail salon or in travel. Features - Color: White - Material: ABS - Size: 15.60X2.15X2.00cm/6.13X0.84X0.79inch. - Charging method USB port/DC 5V - Working voltage: 3.7V - Rated power: 0.5W - Rotation speed: 15000, - Adapt to the grinding head: 2.35 mm - Battery capacity: 500mAh - Approximate working hours: 90Min - Suitable for professionals, nail salons, nail art school or college, nail art artists, personal use, etc. - Works effectively to remove the nail gels, but will not hurt your skin nails and cuticles, safe to use. - It can help you do diversified jobs, such as , grinding, sharpening, sanding, polishing and so on. - Good resistance to corrosion and rust, and allow you to clean them conveniently. - Ergonomic gripping handle, comfortable to hold, good for operation. Easy and convenient to use, greatly save your time and efforts. Package list: 1 x host 1 x USB cable 5 x grinding head