Bl12-a3 Bluetooth ((full)) Site

A common complaint with this module is its lack of a "lock" feature. Since it is often always "open," neighbors may accidentally connect to it. To prevent this, the only physical solution is often turning off the mirror's main power switch or the bathroom light circuit.

While Bluetooth 5.3 supports longer distances, the BL12-A3's effective range is typically limited to 10–15 meters when installed behind glass or tile. Bl12 A3 Bluetooth Speaker Review - AliExpress bl12-a3 bluetooth

Simply select the name in your settings. Most units do not require a PIN, though some may use 0000 or 1234 . A common complaint with this module is its