The lavmic from saramonic is a solution to control the sound input from your camera in a more advanced way. you can connect the lavmic easily to your dslr camera, gopro or smartphone (ios and android) with one of the supplied cables. it’s also possible to connect your headphone (not included) to the 3.5mm output. this lets you listen to the sound of the two 3.5mm inputs. Lavalier microphone With the lavmic comes a lavalier microphone. for example, you can use it with for an interview. the lavalier microphone features a cable of 2.4 meters. this results in a reliable solution in all possible settings. Technical specifications lavmic The lavmic has a button to switch between mono- and stereo sound. with a rotary button you can adjust the level of the input volume. the lavmic works on one aaa battery. (not included)