Professional Cordless Nail Drill with Stepless Adjustable Speed: The cordless electric nail drill was developed by a professional US team for 3 years, upgraded with an stepless speed control knob to make the speed adjustment more accurate and efficient, and one-handed operation is smooth, say goodbye to messy cords and heavy equipment | Multifunctional & Easy to Use: This wireless electric nail drill is not only suitable for acrylic nails, gel nails, dip powder and natural nails, but also can remove cuticles, dead skin, thick nails and calluses. The stepless speed adjustment method can be accurately and easily applied to various manicure and pedicure procedures, and beginners can also enjoy it at home | 3 Years More Durable: The upgraded nail file set has a service life of more than 3 years, polishing efficiency increased by 200%.More powerful motor and shock-absorbing bearings, making it more durable, low vibration, low heat and low noise (＜40dB), improving the comfort during use and making you fall in love with manicure | Ergonomic Design and Portable: This portable professional nail drill adopts ergonomic design, which is more comfortable to use and easy to grip, allowing you to easily complete nail care. The lightweight design of 0.17lb is easy to carry, allowing you to enjoy salon-like quality anytime, anywhere | Can be Used Cordless or While Charging: This electric nail drill kit can be fully charged in just 1 hour and can be used for up to 6 hours, which can meet your needs of manicure and pedicure. This powerful and versatile cordless electric nail drill is also an ideal gift choice | Please note that the adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter you have on hand. If needed, you can purchase one from COSLUS.