PATRIOT LIGHT WEIGHT Behind-the-Head Headset. Single Speaker, Noise Canceling Mic. Also has jack for remote wired Finger PTT (Part Number PTT-1)
Very similar to the Motorola 2-pin except this one has a screw to lock it in place. Fits many HYT models including: TC-1600, TC-500, TC-600, TC-610, TC-620, TC-700, TC-700EX
