Impact I5-P2W-D1 2-Wire Surveillance D-Ring Earpiece, Icom Radio (See List)

Icom IC-F30G, IC-F40G, IC-F31GS, IC-F31GT, IC-F41, IC-F41GS, IC-F41GT, IC-F50, IC-F60, IC-F70, IC-F80, IC-F51, IC-F61, IC-M87, IC-M88, IC-F3061, IC-F4061, IC-F3161, and IC-F4161 two way radios. Impact P2W-D1 Platinum Series, professional grade 2-wire surveillance headset earpiece with full-size Push-to-Talk (PTT) and D-ring.

eBay