Before testing this lensgo mic348C I want to quickly talk about battery life based on lensgo wireless mic you will get about six to seven hours battery life and charging from zero to 100 takes about three to four hours, now I haven't really tested Over battery life I don't know how long it actually takes to charge but even if the battery lasts about five or six hours I think it's not bad because you can fast charge in about three hours which is not bad in my opinion Nice. Anyway, now let's start with the test ok, so first I want to do audio testing in a studio environment, I have a lensgo wireless lavalier mic and it's clear so far. Now before I go outside and do a few wrench tests, I want to move quickly around my house and see if the connection between the transmitter and receiver is not so, let me get out of my room and see if the connection drops or No, it can be seen that the connection is still very good. I walked out of my studio room and closed the door, I just went to another room and it didn't disconnect and everything was fine. And actually now before i go outside i want to plug the transmitter into my mic and use it as a mic above me so let's try it, we have a range test, lensgo you can without losing the camera connection Go up to 70 meters let's see if this is really in this open space location I think I'm about 70 meters here I think I actually have more about 100 meters or something like that. So I'm going to start walking backwards Turning around to see if my body is blocking the connection, no, you can see that the connectivity is good, the range of the connection is great, which is really beneficial especially when there are obstacles，Can be the best microphone for hidden shooting.