Anti-Pinch System - Intelligent sensor battery status with low power can also maintain stable power operation, effectively preventing pinch hair. Washable - Immersion underwent Water Tests. It’s waterproof with a card-opening method that’s easy to operate and clean. Cordless & Rechargeable – With 1.5 hours of charge time, you can use the trimmer for 90 minutes, cordless. 6D Veneer Head - The 6D floating shaving system fits the contours of the face to capture the long and short beards accurately. All-in-One Machine - Our Head Shaver in hand for your haircut, shaving, nose trimming, cleaning needs. Five kinds of feature heads freely switch, saving money, saving time, saving effort, and saving trouble.