With this portable manual dynamo charger, you don't need to freak out while your electric devices power off.
Introducing the Emergency USB Phone Charger! Its compact design is designed for emergencies. All you have to do is wind it by hand and it produces enough power to charge your mobile phone, MP3 player, Bluetooth speaker and much, much more.
Main Feature: ● Hand-cranking to charge, you can talk by phone for 3 - 5min after 1min cranking( in 2 rotations per second ) ● Universal USB port for phone, MP3, MP4, power bank, USB torch, smartwatch, etc. ● Portable to carry by the folding design and lanyard ● Connection: via USB cable ( not included ) ● Max output voltage: 5.5V ● Max output current: 600mA
Please notice that it is not suitable for charging iPhone.