How to use: Connect the microphone to your Sony bodypack transmitter using the SMC9 - 4P 4 - pin locking plug. Then place the lavalier microphone near the sound source for clear audio capture. Things to note: Since we couldn't test this unit, make sure to do a quick check before important use. Maintenance advice: Keep the microphone clean and dry. Store it in a safe place when not in use to avoid damage.