I've also been experimenting with my Ploopy mouse, which uses QMK firmware. One layer has my side buttons mapped to volume up and down. It works really well! N

I've also been experimenting with my Ploopy mouse, which uses QMK firmware. One layer has my side buttons mapped to volume up and down. It works really well! Next step is to add a "paste plain" macro for Mac OS. (Option + Command + Shift + v)