Bingle 2 Pin Covert Earpiece Headset for Icom IC-F3 IC-F4 Cobra HH37ST PR950 MAXON RITRON Two Way Radio with Air Acoustic Tube PTT and Microphone (MRT-I1T2) 2 Pin earpiece for Icom IC-F3 IC-F4 Cobra HH37ST PR950 MAXON RITRON 2 way radio etc. See more compatible information in the description detail page or search our compatible items using key words:Bingle + your radio brand or model. eg. 'BINGLE ICOM' Walkie talkie earpiece headset with good performace for both listening and talking,prevent distortion of sound. Comfortable radio earpiece and won't hurt your ear during long time wearing. High quality and extremely durable earpiece headset with 1 year warranty. Good for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments.