specification: _x000D_Item Type: Electric Nail Polisher _x000D_Material: Aluminum Alloy, ABS _x000D_Optional Color: Pink, Red, Blue, Silver, Gold _x000D_Power Supply: USB interface power supply_x000D_Speed: 0-12000 RPM_x000D_Built-In Battery Capacity: 320mAh_x000D_Built-In Battery Model: 502040_x000D_Battery Voltage: 3.7V_x000D_Size: Approx. 16 x 1.6cm / 6.3 x 0.6in_x000D_Drill Bit: General Standard 2.35 drill bit _x000D_Applicable to: Household, nail salon, etc. Features: 1Portable manicure machine, rechargeable polishing pen, lightweight designs, easy to carry, comfortable feel. 2The shell of the main machine is made of ABS material, which can remove the nail gel, polish the nail surface and repair the nails. 35 Colors optional, matte surface pen body shape, compact and convenient, durable, suitable for household, nail shop use. 40-12000RPM, stable performance, adjustable speed to meet your needs. 5Drill bit interface, smoothly operation, universal USB interface, support a variety of power supply mode, bring you convenience. PackageList: 1 x Nail Polisher1 x USB Cable1 x Manual