2 in 1 trimmer set, contains 2 cutter heads, they can be removable and washable, easy to clean, more hygienic.2.Stainless steel cutter heads, safe and fast cutting without hurt the skin, and no hair get stuck.3..USB charging design, it can be charged through the computer, car charger, portable power and any powered USB port.4.Built-in rechargeable battery, after 8 hours full charge, it can be used continuously for 60 minutes.Suitable for both men and women