Hearing protection muff intercom headset, same as #30 except hard hat/helmet compatible.

TASK/COM 1 intercom headsets feature noise cancelling electret microphones,belt clip mounted amplifier module with a 3-channel selector switch, push-to-talk button with locking microphone-ON switch cover, battery/talk indicator light, 9 volt alkaline battery, RJ-11 modular jack and a 12 foot extension cord with modular connectors and CM-2 in-line coupler. One year warranty.