Bl12a3 Bluetooth Link Full – Hot & Updated
Pair the BL12A3 with a cheap 2x15W Class D amplifier board (e.g., PAM8610) and a lithium battery. You now have a fully functional portable Bluetooth speaker for under $10.
If you don't see this name, some similar models may appear as "Mirror-BT" Pair and Connect bl12a3 bluetooth full