5V USB Dynamo Generator Charger for Bicycle

5V USB Dynamo Generator Charger for Bicycle.

Feature:
This Products is New in the Market.It is equipped some specially function,which is better than previous products. 

1. This typical bicycle dynamo is sidewall-running bottle dynamo and hub dynamo. and there have a  few other types (spoke dynamo, roller dynamo)Bike Dynamo is alternators equipped with permanent magnets.
2. You can ride your bike,and there have a USB Wire to Charger your Electronic Products.
3. They are typically claw-pole generators and deliver energy at rather low rpm. 

Specification: 

• Output interface: USB DC 5V
• Battery: 1000mAh
• Type of Battery: lithium polymer battery
• Generating units: AC three-phase brushless
• Output Current: 5V/1000mAh
• Output Power: 250mA
• Material: ABS + Steel