Features : 1. Stronger Motor with a Higher Speed : Professional acrylic nail drill in 35,000 RPM speed that offers more efficient nail filing and shaping and do your own nail art work like a pro. 2. Large Power Capacity for Longer Working Time : Built-in 2600mAh power capacity, full recharged 2 hours to work up to 10 hours straight working time. 3. Vibration-Free with Low Noise : Nail file machine creates about 50db sounds and almost 0 vibration. Smart heat dissipation prevents overheating. It can be used for manicure, pedicure, acrylic, gel, dead skin, callus and cuticle. 4. Easy to Use and Fully Functional : The manicure machine can be used as a Power Bank to charge your phone, and avoid the inconvenience of the phone power-off. Function super powerful, versatile and easy to work, even beginners can easily do manicure. Also ideal for both professional nail technicians and salon use. 5. Beautiful Design & Portable : Elegant design with advanced rose gold, smooth surface will provide comfortable grip for you. The palm sized handpiece allows you to take it everywhere you want. Plus the HD Smart LCD Screen to show the speed, direction and remaining power. Specifications: Material: Aluminum alloy and ABS Variable Speed: 0 - 35000RPM(adjustable) Battery Capacity: 2600 mAh Charging Time: 2 hours Working Time: Up to 10 hours Bits Size: 3/32 inches Nail Drill Machine Size: 5.7 x 2.75 x 1 inches Box Size: 9 x 7 x 2.2 inches Input Voltage Range: AC100-240V / 50-60Hz