ExpertPower 2-wire Surveillance Earpiece PTT Mic for Yaesu Vertex FT-270R FT-277 FT-277R HX-750 HX-760 HX-850 VXA-200 VXA-220 VX-6R VX-170 VX-177 VX-7R Brand New Excellent Audio Quality, Rugged Construction. Flexible and durable high grade Kevlar cable for demanding applications. Mini PTT Mic with a metal clip. Can be attached covertly to an undergarment or used overtly. Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments.