【Quiet & Powerful Rotary Motor】Engaged With a powerful rotary motor and tightly knit teeth on the blade, the electric hair clippers make every single pass remove hair with no snagging or pulling, providing an effective haircut for you. Note: Before switching the hair clipper on, please peel the tape and take off the protective cover. And the K11S hair cipper need wearing a comb when use. 【Digital Display】The very handy thing is you can see the battery status by LED display and judge whethter it needs charging to avoid power off during hair cutting. What's more, one full charge supports long time operation up to 5-hour, so there is no need to worry about frequently charging the clippers kit. 【Worry-Free from Cables and Sockets】Compared with most hairs cutting kits on the market, the hair trimmer set breaks away from the limitation of cables and sockets, which enables you to cut hair wherever you want. Besides, the hairs clippers and the beard groomer has Plug-and-Play Function if they are at a low battery status. And charging USB in the kits is convenient and safe.