A large robust handheld speaker microphone (shoulder microphone) Comes with 360 degree swivel lapel clip on the back of the microphone A durable and stretchable cord that can extend to 5 feet long Include a earphone jack at the bottom of the microphone covered with waterproof flap It can insert a standard 3.5mm mono earphone plug (earphone not included) Replacement For Yaesu / Vertex-Standard / Standard Horizon / Alinco (MH-73 SSM-21A SSM-14A, 1-pin, 3.5mm 4poles threaded) Replacement For Yaesu & Vertex Standard VX-6, VX-6E, VX-6R, VX-7, VX-7E, VX-7R, VX-120, VX-127, VX-170, VX-177, VXA-330, VXA-700, VXA-710, FT-270, FT-270R, FT-277, FT-277R, FTA-550, FTH-107, FTH-108, FTH-208, PK-410 Replacement For Standard Horizon HX40, HX210, HX270, HX270S, HX280s, HX290, HX370E, HX370, HX370S, HX370SAS, HX380, HX400, HX400AS, HX460S, HX460SB, HX471, HX471S, HX500E-LI, HX500S, HX500SLI, HX500SBLI, HX600, HX600S, HX750S, HX751E, HX751L, HX760E, HX760S, HX850, HX850S, HX851, HX851E, HX851L, HX870, HX890 Replacement For Alinco DJ-V17T, DJ-V47, DJ-V446 Reference Replacement Part Number: CMP460, CMP-460A, MH-57A4B, MH-73, MH-73A4B, SSM-17H, SSM-21A, SSM-57A, etc.