This adaptor will anable a HERO camera to record all of the audio transmitted through the intercom system, including in-cabin audio and ATC transmissions. This is a special adapter made exclusively for use with the GoPro HERO 3 and HERO 4 Video Cameras.
Most digital recorders have a 3.5mm AUX In for recording. however the GoPro HERO 3 and Hero 4 cameras use a Mini USB audio input
Please note: This adapter will NOT work with the Garmin Virb or Virb Elite