Crank Shaver SB=8011 Crank Shaver, Used for Traveling and Camping, Suitable for Promotional Gifts Key Specifications/Special Features: Functions/features: Cranking for power. When it runs out of power, you can crank it for a while and then use it again, it won't be influenced by the outside environment, so it is perfect for camping and traveling 360-degree sequential overlay system: the knife head can move from all the ways so that can cover the face fully Solid and flexible overlay knife head: it can provide the most comfortable, the most efficient shaving enjoyment Unattached and floating knife head designed, cling to different kinds of faces and can shave thoroughly Super two blades system: clear the whiskers more thoroughly An outside charging plug provided Eight hours charging time, the inside protection circuit can cut off the power automatically when being charged fully Charging indicator Manicuring function: the knife can manicure the sideburns Soundless power driving : no tremor, comfortable shaving Main technical parameters: Voltage input: 220 V AC Working time of the shaving knife after 1 minute cranking ≥ 1.2 minutes The shaving time after being charged fully ≥ 1 hour Charging time: 8 hours Working time of the shaving knife after being charged fully ≥ 45 minutes The whole unit lifetime greater than 2 years Shaving time after one minute cranking: ≥ 1.5 minutes (rotating time of the knife blades)