Features: 1.Coarse Grinding Wheel: Rough grinding wheel nail machine, more wear resistant and efficient, can easily deal with the nails of large pets. 2.Low Noise: This manicure device has low vibration and low noise, and the pet is not afraid of, not resisting, so the nail polish is smoother. 3.Long Battery Life: Built in 1000mAh lithium battery for pet electric manicure device, long battery life, safe and reliable, more durable. 4.USB Charging: USB portable rechargeable nail grinder, compatible for Android charging heads, power banks or computer USB ports. 5.General Purpose: A special manicure device for pet shops, which can be widely used to trim small, medium and large cats and dogs' nails. Specification: Item Type: Pet Nail Polisher Material: ABS Product Size: Approx. 14.5 x 3.3cm / 5.7 x 1.3in Battery: Lithium Battery (Included) Battery Capacity: 1000mAh Working Hours: 6 Hours Charging Time: 3 Hours PackageList: 1 x Pet Nail Polisher 1 x USB Charging Cable 1 x English Manual Note Manual measurement, please allow 0.4?0.7in error.