Walkie Talkie Headset 3.5mm Single Pin Acoustic Tube Earpiece for Vertex Radio VX-261 VX-231 VX-210 VX-264 VX-351 VX-354
https://www.vogueparade.com/shopping/EN/200380144/1/1005003336655218/walkie-talkie-headset-35mm-single-pin-acoustic-tube-earpiece-for-vertex-radio-vx-261-vx-231-vx-210-vx-264-vx-351-vx-354//