1 X 2 Pin Earpiece Headset. Mic 2.5mm stereo (bottom pin). A remote microphone with push to talk button you can clip anywhere. For RITRON. For VERTEX. Color: black. SL25, SL55, SL70, SL100, SP100, SP120, SP130, SP140,SP200, SP200K, SP210, SP300, SP300, SP340, SP310, SP320, Legacy series, PL1145,PL5151, PL5161, PL5164, PL2415, PL2445, PL1145, PL1145;.
eBay