COMPACT & PORTABLE DESIGN - Compact and portable electric nail drill machine is convenient to carry when going out. At the same time, portable electric nail file comes with a standard USB port, which you can easily plug into any USB socket, including but not limited to power banks, laptops, AC adapters and even car chargers, etc. The efile electric nail drill has a compact and lightweight design that can be easily carried around, not only for home, but also perfect for travel. ADJUSTABLE SPEED & DIRECTION - electric nail file has a speed control button to adjust the speed 0-20,000 RPM, and has an R/F button to control the forward and reverse rotation directions. You can adjust the nail files for acrylic nails to the appropriate speed and direction according to your needs and habits. Our nail drills for acrylic nails professional is very easy to operate, which is great for beginners or professionals to use. LOW NOISE & LOW HEAT - electric nail drill is made of premium quality material with an ergonomic design, easy to hold, and built in a powerful yet quiet motor with smart heat dissipation, the electric nail file can help you grind your nails and remove the gel smoother and faster. Low noise, low heat, and low vibration during use, giving you a comfortable experience of manicure. TIPS & BEST SERVICE - Recommended for no more than 20 minutes of continuous use with electric nail drill each time.