Features 1. Low Noise Operation: The motor of the human nail grinder is strong and fast, providing precise grinding and polishing with high speed and low noise. 2. Long Battery Life: The electric nail file features a rechargeable design with a high-capacity lithium battery for long-lasting performance. Easily charge for extended use. 3. Clockwise and Counterclockwise Rotation with Adjustable Speed: Offers two-speed settings and the ability to rotate clockwise and counterclockwise for greater control and accuracy. 4. Easy Head Replacement: Quickly switch between different grinding heads with simple insertion and removal. Includes 18 grinding heads suitable for thick nails, offering versatility and saving time. 5. Compact and Wireless Design: Lightweight and portable, this nail drill is easy to use and store. Ideal for travel or home use without taking up space. Specification Battery capacity: 500mAh Maximum speed: 20000rpm Product size: 12.5 x 1.9 cm Operation method: Push and hold Material: Stainless steel Style: 8 Grinding heads Color: Pink, Blue, Grey Size: 13 x 2 x 2 cm Weight: 170 g Package Include: 1 x Nail Grinder for Human