Features: -Manual crank generator, a nice helper under emergent circumference. -Energy saving, environmental friendly, and it is with many interface type. -Multi-function： could 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 …