Tactical Ear Gadgets EP1089SC Fox 3.5mm listen only earphone. Includes left and right medium earmolds and a patented Torpedo eartip. The FOX EP1089SC is receive only and made for use with speaker microphones that have 3.5mm earphone jacks. The quick disconnect acoustic tube allows for easy cleaning and cost effective future replacement. A coiled cord adds stress relief and physical and operational flexibility. The clothing clip is durable metal, not plastic, so it's tough.