It's very easy to make.
All you need is
- 1x bluetooth receiver
- 1x usb powered speakers
- 1x usb power bank and
- 1x 3.5mm female to female coupler
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Step 1: Build
- connect the bluetooth receiver to the 3.5mm female to female coupler
- connect the 3.5mm female to female coupler to the usb powered speakers
- connect the usb powered speakers to the power bank
- fix everything together (e.g. super glue)
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