Saramonic's vmic is a one-way condenser microphone with super-cardioid directional characteristics. the vmic is specially made for dslr cameras and video cameras. the vmic's metal housing guarantees high reliability. you simply place the vmic on your camera using the coldshoe or threaded connection. you connect the vmic to your camera with the supplied cable. through an adapter (see optional accessories) the vmic is also suitable for smartphones. to use the vmic, place two aa batteries (not included). Vmic vs. vmic pro The pro version of the vmic can handle bass better; sound is recorded from 20 hz compared to 35 hz of the non-pro version. also the sensitivity has been improved, from -40db compared to -30db +/- 1db / 0db=1v/pa, 1khz. Usage vmic The vmic is indispensable for general sound recording in your studio and on location. with the supplied windscreen, the vmic can also be used outside. optionally you can adjust the level to -10 db or +20 db with a switch. there is also a low-cut filter available, to filter out sounds with a frequency lower than 150 hz. the high frequency boost improves the audibility of the voice. to assess the sound quality live, you can connect a headphone directly to the vmic.