Smart tuning. Use 60S to create shiny nails Smart tuning high frequency reciprocating grinding, set trimming, grinding, polishing, and care as one. Noise reduction motor reciprocating motion Break through the traditional rotary design, innovate the reciprocating floating technology, selected high torque, high rotary speed, long life micro motor, the unique vibration and noise reduction structure. Soft grinding file surface, skin-friendly grinding head Gentle and skin-friendly EVA material sponge grinding head, with white corundum and metal grinding surface, soft and fine particle design, physical friction does not hurt nails. Two-gears adjustable in one-button control From manicures and shaping to polished manicures, each mode is matched with a different grinding head to accommodate different nail thickness adjustments. Type-C fast charging, long endurance About 2 hours on a full charge, can be used for 45 minutes. According to a daily use of 3 minutes, it can be used for half a month. Triple smart security mode Intelligent set high pressure induction, automatically change the operation into shutdown state, with 15 minutes power off protection, help newbies control wrong operation and violent use.