If you want to DIY nail art with family or friends, then you must set of professional nail art . This pen-shape nail is used for nail , engraving, routing, grinding, sharpening, sanding and polishing etc. professional natural nails filing and polishing . Meanwhile, it's so lightweight that you can take it when to travel or outside. Features - Brand: Coslus - Color: Purple - Rated input: 5V/2A(MAX) - Rated working power: 10W(MAX) - Battery capacity：3.7V/400mAh - No-load speed: 0-14000RPM - Charging time: 1.5 hours - Working time: 2-4 hours - Material: ABS, aluminum alloy, stainless steel - Low decibel: Equipped with strengthened bearing and advanced motor with low vibration, it has dissipation and produces lower noises. - Portable and rechargeable: Cordless electric nail drill machine, you have no worry about entanglement during use. Built-in battery operated, convenient to charge quickly. Lightweight and travel-sized for portable use. - Adjustable speed: 3-gear speed adjustment, rotating direction can be turned clockwise or counterclockwise, suitable for both hand operating. - Valued full pack: Compact handpiece can be stored in a pouch, compact size for being packed into backpack or suitcase. 11 different drill bit for your actual needs. - Safe rotor control: when the dill bit is in contact with relatively hard surfaces, if the load is not released in time, the device will automatically shut down after 10s. Package list: 1 x Coslus Nail drill handpiece 11 x Coslus Drill bit 31 x Coslus Sanding band 1 x Coslus Storage pouch 1 x Coslus Cleaning brush 1 x Coslus Type-C cable