Safe and Painless - This cat & dog nail grinder is gentle but effective leading to stress-free, no-bleed claw trimming. Constructed with diamond bit grinder which is safer and more effective than traditional nail clippers. No replacements needed. Powerful enough to trim your pets' nails in a short time. Reducing the risk of clipping the claws too short or hurting your pet. Ultra Quiet Operation- This nail grinder is especially designed for low noise and low vibration to gently remove thin layers of nails with a soft sound, reducing your pets anxiety. Suitable For All Size of Pets - The pet nail trimmer has three ports for different sized nails. USB Charging - Designed to be rechargeable by USB cord with indicator light.