personal monitor M-1, does it have a bluetooth connection? it does not. we preferred a line-in solution as we use a specific bluetooth technique called BLE. Since we do not want any latency between mic and OP-Z and ensure the best experience, we needed to use line-in. Related articles personal monitor M-1, for OP-Z only? personal monitor M-1, does it allow me to record / sample on my OP-1? OP-1 how do i update the firmware?