3-Wire Clear Coil Surveillance Kit Earphone for Motorola MTS2000 HT-1000 XTS-2500 XTS-3000 XTS-3500 XTS-5000 3 Wire Earphone kits with Vox function Lightweight earphone,rubber ear tip Low profile, flexible, transparent acoustic tube Quick disconnect earphone adapter for easy replacement of any component Flexible, high grade Kevlar cable for demanding applications