Feature:1. POWERFUL: The nail polisher with a LED display screen has a powerful motor that can run at high speed, adjustable from 0 to 35000 RPM, stable operation without jamming, and efficient nail polishing.2. LONG LSATING: Our nail polisher has a built in 4000mAh high capacity battery, which does not heat up and has a stable output. The vibration frequency of the grinding head is regular and orderly.3. MULTI FUNCTIONAL: Easy to operate, multi functional, can remove nails, exfoliate, exfoliate dead skin, polish nail surface, repair nail shape, is a set of efficient and professional nail polisher.4. INTELLIGENT PROTECTION: Our nail polisher is equipped with a machine intelligent detection system, which will stop immediately when it encounters a malfunction to ensure the safety of the controller and battery.5. PORTABLE DESIGN: Equipped with a removable base tray, to meet different nail needs, can be placed flat on the desktop, can also be hung on the pocket, lightweight and compact, easy to carry.Specification:Item Type: Electric nail polisherMaterial: MetalBattery Type: Lithium ion battery (host shipped with built in battery)Battery Capacity: 4000mAhAdjustable Speed: 0-35000 RPM.Package List:1 x Main Machine1 x Grinding Pen6 x Grinding Head6 x Grinding Ring1 x Storage Box1 x Bottom Bracket1 x Instruction Manual1 x USB Cable1 x Screwdriver