Description: Wired Swivel Earpiece with Inline Push-to-talk and Microphone for Two-Way Radio. This earpiece provides clear voice transmission and excellent focused sound quality. It is a unique product that fits for retail marketplaces, restaurants and security companies. Features: Enhance Communication: This earpiece produces high-quality sound. Users hear transmission clearly and receive effectively. Cozy Material: Users wear soft and skin-friendly material that fits right outside earlobe. User-Friendly Design: Metal clip on the PTT back clips securely onto lapel, collar or tie. Users are easy to adjust. Durable Cable: Flexible PU cable reinforced with Kevlar Worry Free Guarantee: 1 Year per Order Warranty Compatibles Vertex Model: EVX EVERGE: EVX-261, EVX-531, EVX-534, EVX-539 Other: VX-131, VX-132, VX-160, VX-160U, VX-160V, VX-180, VX-180U, VX-180V, VX-230, VX-231, VX-261, VX-264, VX-351, VX-354, VX-451, VX-454, VX-456, VX-459, VX-210, VX-210A, VX-241 PMR446, VX-10, VX-14, VX-17, VX-150, VX-151, VX-300, VX-400, VX-520UD