Three-wire headset with long cords and push-to-talk (PTT) mic, designed for radio use. - Cable length and reach Total from plug to earbud: about 74 inches. Plug to mic (PTT button): about 39 inches. From mic (PPT button) to the junction with the black wire and transparent tube: about 21 inches. Transparent tube length: about 14 inches. The long cord lets you keep the radio in your pocket or clipped to your belt. - Microphone position and clip The microphone is located on the PPT button area with a tiny front hole. The backside has an alligator clip to secure to a shirt collar, upper chest, vest, or cuff, usable as a lavalier or palm mic. The mic-to-earpiece cord is long enough to go over the shoulder and around. - How it works and VOX Press the PPT button to activate the mic and talk. You can also press the PPT button on your walkie-talkie to transmit. The headset supports VOX. - Plug compatibility and pin layout K-type plug with two pins: 3.5 mm and 2.5 mm in diameter. The 3.5 mm pin is for the mic jack, the 2.5 mm pin for the headphone jack on the radio. Pins are 11 mm center-to-center apart, with an 8 mm gap between them. - Comfort, build, and performance Solid, lightweight construction with soft plastic earbuds for comfortable wear over long periods. Clear and loud sound quality for both transmitting and receiving. Includes one spare plastic earbud. Each headset weighs about 40 g. - Use scenarios - Security personnel or event staff needing hands-free comms while the radio stays in a pocket or clipped to a belt. - Maintenance, warehouse, or field technicians requiring flexible mic placement (shirt, vest, or cuff) for mobility. - Outdoor activities or team operations where VOX-enabled, reliable radio communication is beneficial.