YAESU SSM-517A Earpiece Microphone For Threaded Single-Pin Yaesu Hand Held Radios - VX-7R
The SSM-517A is fully compatible with all handheld transceivers that can be used with the current SSM-55A. Works with the following models: VX-6, VX-7, VX-170, FT-270, HX890, HX870, HX400, HX407, HX380, HX290, HX210, HX40