Feature: 1. Manual crank generator, a kind helper in emergent circumstances, energy saving, environmental friendly, and it is with many kinds of interface. 2. Multi-function, can charge for mobile phone, USB night light, USB fan, power bank. 3. Harder metal outer casing, more stable anti-skid pad, vintage bearing, effortless and time-saving. 4. Practical, suitable for use in the field, field operations, excursions, rescue operations, natural disasters, survival training, emergency communications, long-term power shortage, tourism, etc. 5. Small and exquisite, convenient to assemble, easy to carry, and not with internal energy storage function. Specification: The manual crank generator is for emergency at outdoors, provide power for your phone, computer, power bank, etc. It is absolutely a good helper for your travel of outdoors. Features: Manual crank generator, a nice helper under emergent circumstance. Energy saving, environmental friendly, and it is with many interface type. Multi-function, can charge for cellphone, USB nightlight, USB fan, power bank. Metal outer case more tough, anti-slip foot pad more stable, vintage bearing, effortless and time-saving. Small and exquisite, convenient to assembly, easy to carry, and not with internal power storage function. Practical, suitable for being used in the field, field operations, field trips, rescue operations, natural disasters, survival training, emergency communications, long-term power shortage, tourism, etc. Specifications: Model: F20 Material: Metal Color: Blue Max Power: 20W Rotating Speed: 2000rmp/min Voltage/Current: 15V/1.3A Output Voltage: Max 28V Item Size: 19.5 * 17 * 8cm / 7.68 * 6.69 * 3.15in Package Weight: 820g / 28.92oz Note: The faster the rocking power, the higher of the generation power and voltage. Shake the generator output voltage must be bigger than the setting voltage to regulate the output voltage. Please adjust the voltage to 5V before you use USB interface. The crank generator can charge for Android phone. The charging time mainly depends on the battery capacity of phone. If the battery capacity of mobile phone is 2000mAh, it would take about 4 hours to fully charge. Mainly charge for portable instruments such as low-power communication station, interphone, notebook computer, PDA, mobile phone, camcorder, digital camera, music CD, MP4, MP3, portable mobile TV, DVD, radio, flashlight lighting, all kinds of lamps, power tools, automobiles and various types of measuring instruments. Can charge directly for lithium battery, nickel-metal hydride battery, lead-acid battery and other types of batteries. Package List: 1 * Crank Generator Package List: 1 * Crank Generator