Tenq&reg; Rainproof Shoulder Remote Speaker Mic Microphone PTT for 2-pin Icom Maxon Yaesu Vertex Radio Talk and listen without ever HOLDING your radio! Push-To-Talk button and microphone are located on the accessory for quick and easy use. 3.5 mm jack for external listen-only earpiece earphone. A strong swivel retaining clip on the back for convenience. Heavy duty and Rainproof Design. 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