1Low noise, no vibration, extremely quiet and stable operation, providing customers with a quiet environment. Comfortable grip design. 2Adjustable speedrotation speed can reach up to 35000rpm, high efficiency, can provide better manicure experience. 3Easy to operatethe nail drill bit can be easily replaced without tools, easy to operate, ergonomic handle design, comfortable to hold and easy to use, beginners can also choose it. 4Highqualitystainless steel material handle, strong and durable, can be used for a long time, with positive and negative two optional and adjustable directions, can meet different needs. 5It can be used to trim calluses, remove hard gels, and can also be used for sanding, polishing, shaping, carving, milling and other functions.