SUNDELY Throat Vibration Mic Headset Earpiece with Finger PTT for Cobra 2-pin Radio MT500 FRS100 PR330 HH38WXST Throat Vibration Mic Headset Earpiece with Finger PTT for Cobra 2-pin Radio 2-pin, Finger PTT button, 1 spare earbud included DNT ProfiTek-77, XP-8, XLP-77, DRS 1000, DRS 2000, HH37ST, HH38WXST, HH45WX, HH45WXST PR330, PR500, PR880, PR900, PR945, PR950DX, PR955DX, PR1000, PR1050WX, PR1100WX, PR2000, FRS90, FRS100, FRS105, FRS110, FRS115, FRS120, FRS130, FRS220, FRS225, FRS235, FRS250, FRS300, FRS305MA, FRS307, FRS310WX MT110, MT220, MT305, MT500, MT525, MT700, MT725, MT900, MT925, MT950