Professional Noise Cancelling Overhead Headset Earpiece Boom Microphone for 2-pin Icom Maxon Yaesu Vertex Radio 2 pin Professional Overhead Earpiece Earphone Headset PTT(Push To Talk) with boom mic microphone for Icom Maxon Yaesu Vertex Radio Security Door Supervisor. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality. Noise cancelling, provides excellent durability, reliability and performance in low-profile environment. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Compatible with two way radios walkie talkie that required Icom 2-Pin plug. Including Icom IC-F3, IC-F3S, IC-F4, IC-F4S, IC-F4SR, IC-F4TR, IC-F10, IC-F20, IC-H2, IC-H6, IC-J12, IC-M5, IC-T7A/T7H, IC-T22A, IC-T81A, IC-T90A, IC-U12, IC- U16, IC-V8, IC-W32A, IC-4088A, Maxon SL25, SL55, SL70, SP14, SP100, SP120, SP130, SP140, SP210, 500 series, 5000 series, Vertex VX200, VX500, VX510, VX520UD