Instructions: This product is a rechargeable shaver, and it's full body washable. This product has two sides heads ,individually reflex action system can always get close to the facial contour to effectively shave the hair of any lengths and in any growing directions. Reasonable design & the cooperation of two blades will bring better shaving effect. Specification: Product: rechargeable shaver Input Voltage: USB Charging 5V Power Consumption: 3W Using time: About 55min Charging time: 8H Safety Warning : Only the included charger can be used. Make sure the charge will not become damp. Package content: 1 x razor 4 x limit comb 1 x cleaning brush 1 x user manual 1 x USB cable