The BOYA BY-MM1 Mini Cardioid Condenser Microphone is a compact sized microphone thats been carefully engineered to improve the sound quality of videos and on the basis of build-in microphones. It enables a straight forward plug and play, and with both the TRS cable and TRRS output cable you are able to utilise it on your smartphone, cameras, camcorders, audio recorders, PCs, and other audio/video recording devices. Additionally, no batteries are required when using this professional microphone kit.