Zeadio Earplug Earmould Earbud for Two-Way Radio Coil Tube Audio Kits, ES-04L (Pink, Large, Pair of 1) As it does not totally block the ear like the earbuds, this enables essential hearing of what is going on around you as well as those essential radio transmissions. Replacement Earmould Earbuds for Two-Way Radio Coil Tube Audio Kits For use with most Coil Tube Audio Kits, either Left or Right Ear Size: Large. Coil tube NOT included Includes a limited lifetime warranty against defects in materials and workmanship