personal monitor M-1, does it have a bluetooth connection? December 03, 2019 16:35 Updated 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? personal monitor M-1, can i use the M-1 boom mic connected directly to the OP-Z? OP-Z app, can i turn the HUD off? OP-Z and OP-1, can i sync them?