Specifition: Product name: Silent Groom Pro Dog Nail Grinder Battery: bulit-in battery Charging mode: USB Charging Decibel of sound: about 40db Grinding head type: Interchangeable grinding head Charging time: 1.5 hours Battery life: 8 hours Gear: 2nd gear Speed: 7000rpm in 1st gear, 8000rpm in 2nd gear Built-in battery: 800mAh shell material: ABS Environmental protection material Weight: 0.18kg Silent Groom Pro Nail GrinderThe Silent Groom Pro Nail Grinder operates at an astonishing noise level of under 40 dB, ensuring a stress-free grooming experience for your pets by minimizing anxiety during nail trimming. Versatile DesignDesigned for all pet sizes, the Silent Groom Pro features three different grinding ports and dual-speed settings, allowing for precise and efficient nail care for everything from small kittens to large dog breeds. Ergonomic and User-FriendlyWith its ergonomic design, this nail grinder is easy to hold and operate for both right-handed and left-handed users, making it comfortable for pet owners to groom their furry friends effectively. USB Rechargeable Dog Nail GrinderThe Silent Groom Pro Nail Grinder offers USB charging capabilities, providing up to 7 hours of continuous use on a single charge, making it an eco-friendly and economical choice. Durable and ReliableIdeal for both home and professional environments, the Silent Groom Pro is built for durability and extended battery life, making it a trusted grooming tool for professional groomers and pet owners alike. Safety careThe Silent Groom Pro Nail Grinder effectively avoids cutting into the pet's quick, reducing the risk of injury and making pet care safer and easier.