Description: 【Portable Nail File Machine】: Low noise, less than 60 db High speed, replaceable grinding head. Fast grinding, no damage to nails. 【Long Working Time】: Electric Nail File, 5000mAh large capacity battery, type c charging, charging for 2-3 hours, working for 24 hours, long use time. 【Durable Material】: Electric Nail File Machine is made of high quality aluminum alloy material, with ergonomic structure, skin friendly feel and durability. 【Adjustable】: Nail Sander, 0~45000RPM speed, adjustable speed and direction of rotation. The extension coil can be freely adjusted in length. 【Easy to Use】: Nail File Machine, size 14.5cmx5.8cmx2.8cm/5.71inchx2.28inchx1.10inch, compact appearance, hook design, easy to carry and store. LCD large screen display, speed/battery/steering are all displayed, easy to use. Specification: Material: aluminum alloy Power: 36W Speed: 0~45000RPM Voltage: 100~240V Size Chart: 14.5cmx5.8cmx2.8cm/5.71inchx2.28inchx1.10inch Package Includes: 1x nail file machine 1x USB cable 1x handle 1x metal grinding head 1x 3 plug connection spring wire 1x instruction manual Note: Please allow slightly errors due to manual measurement and different monitors.