AV-JEFE AVL606 Professional Headset Microphone with 3.5mm & 6.3mm Stereo Plug for Camcorders, Digital Recorders, Bus PA Systems_ Gooseneck Boom for Precise Positioning Comes with 17 feet Cable Adapter with Power Supply Box & 3.5mm to 6.3mm Plug Adapter For use with your Mixer, Camcorder, Digital Recorder, Computer, PA System..Which Has Either 3.5mm or 6.3mm Mic Input Durable & Easy-Adjustable Gooseneck Boom for Precise Mic Positioning Excellent Ambient Noise Control. Compact & Lighweight. 1pc Windscreen Included. Best for Interview, Speech & Lecture in Stadiums, Radio Stations, Schools, Churches, Auditoriums (Not for Aerobics, Cycling, Spin or Fitness Classes use.)