1LCD displays are finer and sharper than traditional diode displays for reliable use. 2Adjustable 030000rpm, easy and convenient to use for left and right hand operation. 3Rechargeable design, builtin 2000mAh large capacity battery, one charge can last 8 hours or so. 4Power bank function design, not only a nail drill but also a power bank for phone. 5RPM is clearly visible, gently rotate to adjust, compact in size and multifunctional. Condition: 100% Brand New Item Type: Electric Nail Drill Machine Material: ABS Power: 40W Power Supply: USB Speed: 30000rpm Battery Type: Built-in battery Battery Capacity: 2000mAh Charging Time: 3.5 hours Battery Life: 8 hours Size: As Pictures Show Function: Nail grinding, polish, nail polish remove, remove the dead skin, engraving radian. All kinds of manicure, decoration beauty and other operations. Adjustable speed (can be forward/reverse), high RPM and low noise; Can replace the grinding head, remove the UV gel nail polish/ polish the nail surface/ repair nail shapeSteps to use: 1. Power on: Long press 1 second; Shutdown: Long press 1 second 2. USB charging interface, which can provide mobile phone charging function. 3. Positive and negative rotation display: the default is positive rotation "F", press the power button to reverse "R", and press the same key to return to positive rotation. 4. Turn clockwise and speed up; Turn counterclockwise to lower the speed 1 x Host 1 x Nail Drill Pen 6 x Drill Bit 1 x Pen Cover 6 x Sand Ring 1 x Type-C Cable 1 x Connection Cable 1 x Manual