Emergency Power USB Hand Crank Phone Charger Manual Charge Dynamo 300mAh X3O5 ~
ab 4,11 €
Just wind it by hand slightly. wait until it cooled can continue to shake (at least cooling 10 minutes). With this built-in USB interface, it is easy to connect to all sorts of USB devices. Can be repeated use, light weight, small size, convenient travel use.
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