OPOLAR F20 Questions & Answers

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3 Questions

  • I had by cable connected overnight, but no power

  • How do I turn the light off?

  • User Non avatarStephen Da5 years ago

    Opolar 9 inch desk fan with rechargeable battery and usb plug operation. My question is will the fan run properly if I just want to use the usb cable to power it, or do I have to use the battery and recharge it for the fan to work?