1. NO MESS: Revolutionary nail trimmer for your dog or cat. It's the newest and fastest way to keep your pet's nail trim rounded and smooth with no mess! 2. Low Vibration and Low Noise - Equipped with a mute brass shaft and unique mute technology that's still powerful enough to gently remove thin layers of nail. Sensitive dogs will no longer get scared, making it a stress- free way for trimming dog's nail. 3. Make Nail Grinding Painless - Precisely trim their nails round and smooth, no more worries about over cutting, nasty pains or bleeding. Leave your pet's paws touchably soft and your home safe from scratches. 4. USB Charging - Save money on buying batteries! This Pet's Nail Grinder comes with a USB port and cable (provided) that can continuously operate up to 3 hours once fully charged. 5. Detachable Grinding Wheel - Grinding stone can be easily removed for cleaning. Simply rub on the surface with soft towel and tissue, so that it will remain as effective as ever. 6. Suitable For All Pet's Size - The Pet's Nail Grinder comes with three size openings to suit different sized nail. Choose a suitable one according to the size and characteristics of your pet's nail. Specifications: Charging time:2 hours Running time:3 hours Input:AC100V-240V 50HZ/60HZ Output:5V/350MA Charging mode: USB charging Battery: Built-in battery Package includes: 1x Pet Nail Grinder 1x USB Charge Cable 1x Package Box 1x user manual