Original Xiaomi Youpin Yingqu Blackstone3 Men Portable Face Care Three Cutter Heads Electric Shaving Razor1. Rated power: 5W 2. Rated voltage: 5V 3. Charging time: 120 minutes 4. Life time: 150 minutes 5. Battery capacity: 500mAh 6. The dander and scum residue in the cutter head are easy to breed bacteria and mites if they are not cleaned in time. Blackstone3 can be directly immersed in water for cleaning, IPa?? 7 waterproof, and it can also be used for wet and dry, and experience foamy wet shaving. Support smart washing reminder, keep clean at all times.