Product Material: ABS Color: Black Motor Working Voltage: 2.4V Battery Type: 600mAh Ni-MH Battery Charging Time: 3 hours Working Time: 4 hours Package Contents: 1 * Claw grinder 1 * USB cable 2 * Grinding wheel 1 * User manual 1. Safe, effective and precise trimming: The nail grinder uses an advanced diamond drill bit grinder to provide the safest and most comfortable pet claw grinding. Recommended by veterinarians and pet grooming professionals, trim your pet's nails easily and accurately anytime, anywhere. 2. Ultra-Quiet, Safe and Painless: The dog and cat pet nail grinder is designed with low noise below 60 decibels, which can protect your pet from fear, anxiety and aversion, making grinding easier. Using a diamond bit grinder is safe and painless, reducing the risk of over-cutting and injuring your pet. 3. Advanced 2-speed switch and 3 grinding ports: The nail grinder adopts ergonomic design, easy to operate and easy to operate. The small nail grinder won't scare your pet, and the quiet motor helps comfort your pet. The 3 grinding ports fit different sized pets so you can use it with confidence. 4. USB charging, more convenient: The rechargeable dog nail grinder includes a USB cable for your convenience. Wireless design, easy to operate; when the battery is exhausted, you can use a computer, mobile power supply, or car charger to charge it. Perfect for pet grooming shops or home use. 5.3 hours fast charging, 4 hours working time: Advanced lithium polymer battery enables fast charging and long working time. Portable USB data cable with overcharge protection function. Rough surface, lightweight body, very convenient and comfortable. Improved manicure instruments are safer and more effective when polishing large nails.