Covert 2-wire earpiece/microphone for Linton, Kenwood, Kirisun and Puxing walkie-talkies  Ref: ACTM20K1

"Covert" type earpiece/microphone for Linton, Kenwood, Kirisun, and Puxing walkie-talkies. This type has "2 wires" so that the microphone lead can be run down the sleeve, with the mic in the wearers hand. These earpiece/mics are the type often preferred by door supervisors and other security personnel.