Black Diamond Fox Listen-Only Earpiece Coiled-Tube 3.5mm Threaded for 3.5mm Threaded Speaker-Mic Connector

3.5mm threaded connector – Listen only black acoustic coiled tube with transducer and Fin Ultra ear tips.

Radio compatibility: 3.5mm Threaded Connector – Connects Directly to the Radio – MOTOROLA REMOTE SPEAKER MICROPHONES: NMN6274/NMN6274A