Ultra-quiet and low vibration: Our Nail Trimmer is equipped with an ultra-quiet but powerful motor. It gently removes thin layers of the nail with minimal noise (under 50dB) and vibration so that sensitive pets won't be anxious or scared. Stays cool: Special coated pet-friendly grinder rotates at just the right gentle speed, preventing friction burn. USB charging: No need to fumble around for batteries as it's USB rechargeable with up to 5 hours of continuous use. No more over-cutting: Our nail trimmer slowly trims away the layers of your dog's nails. No more worries about over-cutting, nasty pains, or bleeding. Easy to clean: To clean your trimmer, just use a soft wet towel and gently brush away any nail dust. Diamond Nail Grinder Our Dog Nail Trimmer is Constructed with a diamond bit grinder, safer and more effective, no replacements are needed. USB Rechargeable Portable The Pet nail grinder is including a rechargeable USB wire. You can charge it with computers, power banks, car chargers, and so on. Safer Grinding Angle Pet nail trimmer with a superior motor and whisper-quiet technology that produces a very low vibration for your pets, trimming faster and easier. Get pets familiar with the smell, shape sound, or touch their feet without switching it on to reduce fear and resistance. Cut pets' overlong nails with a nail clipper first if required. Choose a speed to file the sharp nails, file slowly when near to the quick, and use no more than 10 seconds each time Reward pets with snacks to make them love grinding nails.