Sharp stainless steel turbine rotary blade, dedicated to hard facial hair, 0.1mm thin stainless steel foil, double ring 3D knife mesh, sticks to the skin and removes hair from the roots. The engine speed can reach 6600 RPM, and the scraper is accurate and reliable. Effectively prevent the beard from getting stuck on the razor and achieve painless shaving. [Wet and dry use]- IPX7 waterproof, full body washing. Waterproof performance, worry-free bacterial residue, dry and wet dual use. 30-minute fast charge, can be used for more than 6h, use for 60 days. Charging through the USB interface is very convenient, you can charge computers, laptops, mobile power supplies and so on. You can easily carry it around in your jeans pocket. Aluminum body, non-slip, durable, comfortable. Suitable for air, car, travel, camping, etc.