Tragbarer Aufziehdynamo Handkurbel USB PDA MP3 Zelle Notfall Ladegerät P9X4
5,24 €
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. You should be in the cell phone battery power.
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