| 20w Portable , Emergency Hand Crank Usb Generator. Features: Small Size, Easy to Carry Power Generator Strong Dynamo Generator, the Greater the Speed of Shaking the Greater the Power, the Maximum Power of About 20w A Variety of Interfaces, Are Free to Choose Anti-skid Pads, Easy to Shake Fixed High-quality Shaft, Saving Time and Effort Specification: Material: Metal Color: Refer Picture Max Power: 20W Rotating Speed: 2000rmp/min Size(L*W*H): 125*80*85mm(4.92" X 3.15" X 3.34") Voltage/Current: 3V/6.6A, 5V/4A,6V/3.3A, 9V/2.2A,12V/1.6A, 15V/1.3A Note: Internal Does Not Store Power            Before Using the USB Interface, Be Sure to Set the Voltage to 5V Packa… | |