This LensGo 348C 1V2 lapel microphone wireless introduced today has a feature that I really like, it does have several different modes to record the first mode is mono mode, by default, if you have two transmitters running at the same time, then the default The case is basically open for people who don't understand this you hold the left knob and you'll go into safe tracking mode, so if you're just talking a channel left or right will be the one you set, But let's say I'm laughing super hard all of a sudden, you'll have the correct channel, which will be the safety track recorded at negative 3dblevel, so you'll actually still have a nice undistorted clip audio on the safety track. You can use if you're going to have two people talking to two transmitters at the same time, the two people's talk will be mixed to the left channel and then it will also be mixed on the right channel at a lower decibel level, so It won't give you four audio tracks for you. Now still down to two if you take one more step with the knob on the left, you will go into stereo mode, which means two people talking one person's voice on the left of one channel if you do that the other person speaking will not understand on the right why is that good in itself so if you want to plug in a usb battery pack ,lapel microphone wireless. Let's say close to the receiver of the camera and you want to go on it you can't there is no way to do that i know why they do it because they are trying to keep everything super Compact since the ausbc or usb miniport does take up extra space on the pcb for basically everything, so I can see why LensGo wanted to remove it to keep everything super small.