- Powerful 6800 RPM motor provides fast and effective cutting with the stainless steel blade for a smooth, precise shave without irritating or damaging the skin. ✪ IPX7 waterproof allows easy underwater cleaning immediately after use, supports dry and wet shaving for optimal comfort. ✪ 600mAh long lasting lithium battery, gives you up to 90 minutes of use after just 1.5 hour charging via a universal USB port. ✪ Ergonomic Design & Multiple Accessories Ergonomic Design for Easy Use and Control, Comes with Multiple Liner Combs (0/1/2/3/5mm) for various styles