Features1POWERFUL: 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. 2LONG 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. 3MULTI 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. 4INTELLIGENT 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. 5PORTABLE 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.SpecificationItem Type: Electric nail polisherMaterial: MetalBattery Type: Lithium ion battery (host shipped with built in battery)Battery Capacity: 4000mAhAdjustable Speed: 0-35000 RPMPackage List1 x Main Machine 1 x Grinding Pen 6 x Grinding Head 6 x Grinding Ring 1 x Storage Box 1 x Bottom Bracket 1 x Instruction Manual 1 x USB Cable 1 x Screwdriver