Three-wire type headset; the length of the wire is about 39 inches from plug to mic (PTT button); and another 21 inches from the mic (PPT button) to the connection point of the black wire and the transparent tube; and the length of the transparent tube is about 14 inches. In total, the length from of the plug to the earbud is about 74 inches. The cord is long enough to keep your radio in your pocket or clip the radio to your belt The microphone is located on the PTT button portion of the headset; it is a tiny hole in the front where the PTT button is. The mic has an alligator clip on the backside to be attached to a shirt collar, upper chest area, a vest, or a cuff securely to be used as a lavalier microphone or a palm mic. The cord from the mic to the earpiece is long enough to go over the shoulder and around Press the PPT button to activate the mic to talk;not only can you press the button on the headset to talk,but you can also press the PPT button on your walkie-ta