DIY Bluetooth speaker

Wanted my own speaker, so I soldered a simple circuit together via sketch from Circuit basics.
Added a bluetooth adapter because tangled cables are super annoying.
Head is from old speaker.
Case designed in Openscad.
Also made a knob to isulate potentiometer.

Links:
-circuitbasics
http://www.circuitbasics.com/
-bluetoothadater
https://www.ebay.com/itm/Mini-Wireless-Bluetooth-Car-Kit-3-5mm-Dongle-Jack-Aux-Audio-Receiver-Adapter/123270763928?hash=item1cb3829598:g:NoAAAOSwUPZbQG5v:rk:19:pf:0