Professional USB Rechargeable Pet Hair Clipper, Quiet Cordless Hair Trimmer with 4 Combs, for Dogs, Cats, Pets, Neck[Built-in high-performance battery] The rechargeable dog clipper with built-in high-performance battery provides exceptional flexibility. It can also be used while charging so you don't have to worry about it stopping working and your dog being half healed. [Low vibration and ultra quiet design] Working noise less than 60 dB, the dog hair clipper will not scare you. And the non-slip and ergonomic handle design makes the dog shavers much easier to use, whether for novice users or professionals. [4 guard combs, all-in-one] This grooming kit for dogs, cats, horses. 3mm/6mm/9mm/12mm, the adjustable haircut comb is applicable for cutting hair of different lengths; and removable guide combs allow for quick, easy comb changes and increased versatility. [Easy to clean] After each use, you can simply clean the blade with a clean cloth and remove any hair remaining on the blade with a cleaning brush (included) for longer life.