The Hollyland LARK M2S Camera Receiver is a seperate receiver only for the LARK M2S.
Volume Lock - Camera Version RX Only
Single-click the RX power button to lock the volume and single-click again to unlock. While locked, volume adjustment is not available, but noise cancellation on/off and mode switching are available.
Mute Function - Camera Version RX Only
Double-click the camera version RX power button to mute all connected TX and double-click again to unmute.
A 3.5mm TRS output port records audio directly to your device of choice. Onboard controls allow you to toggle between stereo and mono modes or adjust the volume of your recording. The receiver has a built-in 145mAh battery with a 8.5-hour runtime. Recharge the unit via USB-C in just 1.5 hours. Use the LarkSound mobile app for further control of your settings.