SPINUP F12W-PRO - Bicycle Dynamo with USB charger
F12W-PRO is the first bicycle dynamo with intelligent Power Management System(IPMS). It controls power output according to your riding speed and provides touring devices with stable electric current at 1A, even when you briefly stop for traffic light. You can feel free to charge your iPhone or GoPro directly.
More information:
👉https://www.spinup.life/product/f12w-...
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