Pryme SPM-3301
Heavy Duty 3-Wire Surveillance Kit with Micro Lapel Microphone and Twist Connect Acoustic Tube Earphone
Works with KENWOOD, RELM / BK, HYTERA and many Chinese radios that use 2-pin connector (See a list of compatible models)
Meets U.S. Department of Defense environmental standard MIL-STD-810 C, D, E, F, G More...