How can I keep the USB hub charging while Macbook Pro is not connected?

I've got my bluetooth headset and magic mouse plugged into my display in order to charge them. Unfortunately, the USB stops charging when the Macbook is disconnected. So I can't charge these devices when I'm away from my desk with my computer.

  • Asked by fn from Minnetrista
LG UltraFine 4K Display

LG UltraFine 4K Display

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