IFeng 1 Pin 3.5mm PTT MIC Headphone Headset for YAESU Radio VX-132 VX-160 FT-50R FT-51R A remote microphone with push to talk button you can clip anywhere. Pin diameter: 3.5 mm. The headphone carries mic rods, which makes intercom more convenient. Sponge earpiece fits snugly in your ears, which keeps your conversation private. Compatible with Radio Model: * VX-1R, VX-2R, VX-3R, VX-5R VX-10, VX-14, VX-17 VX-110, VX-150, VX-130, VX-131, VX-132, VX-160,VX-168,VX-180, VX-210, VX-210A, VX-210, VX-210A, VX-300, VX-400, VX-410 VX-420, VX-351, VX-354, VX-410, VX-420, VX-427 * FT-50, FT-60, FT-10R, FT-40R, FT-50R,FT-51R, FT-60R * VFX-1 VFX-2 VFX-20 * TSP-2100 TSP-2400 * ATS/AT-series/AH-203N/ATS-105