5V Bicycle Dynamo Outdoor Chain Power Generation No Energy Leakage

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Description:

Bicycle Dynamo: The bicycle chain drives the gears to generate electricity and storage into lithium battery.
Multi Purpose: It is easy to plug USB cable to charge. And this bicycle chain can also be a emergency light to ensure riding safety in the dark.
Portable Usage: The bicycle dynamo stores energy by bicycle moving without wearing out bicycle chain and without energy leakage.
High Quality Material: This bicycle dynamo is made of premium plastic, easy to install, very portable for biking travel.
Wide Applications: The portable bicycle chain is widely suitable for outdoor bikes travel.

Specification:

Material: Plastic

Size Chart:

9.9cmx6.2cm/3.9inchx2.44inch

Package Includes:

1 Piece Bicycle Dynamo

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful online shopping!

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