The 3M™ PELTOR™ PTT Adapter Cable is a spare part for use on a 3M™ PELTOR™ Airplane PTT Adapter.Better and more reliable communication comes with this remote finger Push-to-Talk (PTT) 36-inch long wire accompanying the 2-way radio communication headsets of the 3M Peltor PowerCom Series. The remote finger PTT wire is compatible with select models of the series and offers the ability to switch between voice reception and transmit modes. The 3M Peltor PowerCom Series is a better and more affordable way to communicate in noisy environments. The headsets combine hearing protection and 2-way radio communications. Up to 30 programmable channels available on PowerCom Plus II Hearing protection with a Noise Reduction Rating of 25 dB Convenience features include deep earcup design and wide, softly-padded headband Ghost voicing mode control and VOX and PTT radio transmit Certified intrinsically safe (4720 and 4620 units only)