Tenq Full Face Earpiece Headset Mic Microphone for 2-pin Icom Maxon Yaesu Vertex Radio Full Face Earpiece Headset Mic Microphone for Icom Maxon Yaesu Vertex Radio Security Door Supervisor 2pin. Designed to work with two way radios. Dual speakers with sticker, can be pasted to inside of the equipment. PTT button with is convenient to use. Noise cancelling with boom mic microphone.