The BY-F80D Professional Cardioid Lavalier Video or Instrument Microphone from Boya features a switchable low-frequency roll-off switch, a frequency response of 35 Hz to 18 kHz, and runs on 48V phantom power or a single AA battery. It can be used to capture audio for theater, broadcast TV, video, film, and sound reinforcement applications. Built with all metal construction, the BY-F80D's power module is equipped with a 3-pin XLR output jack, an LED power indicator, a 3-pin mini lavalier mic input jack, and a sturdy belt clip. In addition, two mic clips, a fur windshield, two foam windshields, a zippered carrying case, and a lavalier microphone with a 6' cable are included.