2 pin K connector compatible with lots of Radios from Kenwood HYT, Puxing, Wouxun Baofeng,pack of 2 The plug is gold-plated to prevent plug oxidation and avoid contact failure,less distortion and stable performance for a long service life Transparent acoustic tube and 2 different size of soft silicone earbuds to fit snuggly in your earCovert acoustic tube transmits more clear sound, makes the voice easily heard Microphone is hidden inside PTT switch provides excellent performance in a noisy areas and you can hear everything clearly The PTT microphone can be easily attached to your clothes with the 360-degree rotating clip. The smooth clip will never break your clothes