Professional and Efficient Cutting Blade -- Professional R-shaped sharp angle ceramic moving blade combining with titanium alloy blade for efficient long-term cutting. Preventing rust processes and accidentally hurting skin. 3-6-9-12mm Limited Length Combs -- Easy to adjust the blade length, 5 length switches (0.8mm-2mm) to get the proper length you want. Come with 4 attachment guide combs:(3mm/6mm/9mm/12mm,), help you to cut hair to your desired hairstyle, beginners friendly! Cordless USB Rechargeable Design -- Come with 1200mA Rechargeable battery and USB adapter, lets you walk away from the charger while using maximum mobility and convenience. The USB cable can compatible with any USB charger interface as long as the Voltage is 5V. Ultra Quiet -- Low DB working sound to help dog, cat, or other animals, or children and babies feel at ease, not afraid of hair cutting anymore. Low vibration design haircut with precision motor, powerful motor professional hair clippers, not to clamp and hurt hair.