Portable Design | 8000RPM Motor Speed | Dual-Head Design | IPX6 Waterproof | 1 Charge = 30 Days， The whole body of EVO Shaver 2.0 is IPX6 waterproof that you can directly rinse the entire shaving unit, shaving head and internal hair chamber underwater. Unlike others' designs, EVO Shaver 2.0 is small but sturdy enough to withstand rough handling. And it is so compact and portable that you can simply put it in your amenity bag and take it with you or check it in. Compared with EVO Shaver 1.0, the upgraded version of EVO Shaver 2.0 features a double-ring floating shaver head. The head of the razor can float up and down with the contour of the face and head, to more fit the facial shape and make the shave smoother. With the optimized features and also upgraded speed from 6000RPM to 8000RPM, the sleek, modern design of the EVO Shaver 2.0 offers an extremely stylish shaver that performs as well as looks.