SSM-517A Earpiece Microphone for HX270, HX370, HX471 & HX400
The Standard Horizon SSM-517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400.
SSM-517A Earpiece Microphone for HX270, HX370, HX471 & HX400
The Standard Horizon SSM-517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400.