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Hello TechicGeek, the USB is only for charging other devices, the mini USB is the one used for charging the speaker itself. Omar S> - Insignia Support.
Sorry, there was a problem. Please try again later.The power bank is the power for the speaker. You don't have to use it to charge itself. It is using the same power and it runs a very long time on one charge.
Sorry, there was a problem. Please try again later.Yes. Plug it with your computer. Very easy.
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