Features: -Manual crank generator, a nice helper under emergent circumference. -Energy saving, environmental friendly, and it is with many interface type. -Multifunction, can charge for cellphone, USB nightlight, USB fan, power bank. -Metel outer case more durable, anti-slip foot pad more stable, high quality bearing, effortless and time-saving. -Small and exquisite, convenient to assembly, easy to carry, and 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.
Note: The faster the rocking power, the higher of the generation power and voltage. Shake the generator output voltage must be biger than the setting voltage to regulate the output voltage. Please adjust the voltage to 5V before you use USB interface.