Worthdream High-tech and Environmental 1000mah Bicycle Chain Charger to USB - Dynamo

Specifications:
Power output connection: USB DC 5V
Battery capacity: 1000mAh
Battery type: lithium polymer battery
Generator: AC three-phase brush less
Output current: 5V/1000mA
Material: ABS
Battery fully charge time: depending on riding speed
Battery life: depending on usage
Power 250mAh, it is enough to charge your electronic products
1-riding speed: 5-15kg hour, electronic power: 100-300mAh
2-riding speed: 20-30kg hour, electronic power: 400-600mAh
3-riding speed: above 30kg hour, electronic power: 700-900mAh

Package Contents
Bicycle pedal generator
Bag
User manual