This was the lowest price I had found anywhere online for this product. It's high quality and works great!
HM-158LA: Icom Remote Speaker Microphone (Shoulder Microphone). Features Coil Cord and Swivel Clip and a 3.5mm Audio Jack for earset connections. For use with Icom 2-pin radios F11, F11S, F14, F14S, F21, F21S, F24, F24S, F33GS, F33GT, F43GS, F43GT, F43TR, F3021, F4021, F4029SDR, F43GS, F43GT, F43TR, F3003, F4003, F3021, F4021, F4029SDR, F3001, F4001, F3011, F4011, F3021, F3101, F410. Replacement for Icom HM-158LA, Klein Flare-S3, Flare-S6