Yaesu Standard SSM-55A VC27 Earpice / Microphone For Yaesu And Standard Radio Models VX-6R, HX370, FT-270R, HX471 And Others Genuine Original Yaesu Earpiece Microphone in Yaesu Package! Compatible and Replaces Model # VC-27, Has PTT Button on wire. Fits Yaesu Models VX-6R, FT-270R, VX-7R, FT-277, VX-170, VX-177. Fits Standard Horizon Models HX270, HX370, HX471, HX500 & HX600.