Shoulder Speaker MIC for ICOM Radio IC-F11 F21 V8 V82 U82 A6 F3 F4 F3011 F4021 Lightweight headset with boom microphone and single earpiece. Flexible boom microphone adjusts readily to users preference. Comes with " ring" finger operated PTT. Designed for commercial, entertainment, large movement markets. Extra Ear Hanger to choose for fixing acoustic tube on ear.