Hand-winding Emergency Charger USB Hand Manual Dynamo for MP3 MP4 Mobile Cell Phone Power Bank Emergency Charging

Hand-winding Emergency Charger USB Hand Manual Dynamo for MP3 MP4 Mobile Cell Phone Power Bank Emergency Charging. Portable mini emergency hand-cranking dynamo charger suitable for outdoor activities, good outdoor emergency power supply for your mobile phones or other digital devices Transform the mechanical energy into electric energy, charge your mobile phone or digital devices at any places and at any time, convenient and useful Mini size and light weight design can be easy and convenient to carry with Suitable as a emergency charger, charge for about 3min can maintain 5-10min mobile phone talking time and 3-8h standby time(actual data depend on the specific circumstances of mobile phone) Red LED light design can be as indicator light, also can be as emergency illumination light. Blue translucent frosted case seems fashion and delicate, a good gift for your friends or yourself Package included: 1 x Emergency Hand-Cranking Dynamo Charger Note: 1inch=2.54cm 1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual.