Compatible with 2.5 mm 1-Pin Motorola Two Way Radios, pack of 5 ^^ Gold-plated plug to prevent plug oxidation and avoid contact failure, less distortion and stable performance for a long service life ^^ Detachable soft Silica gel earloops, comfortable for both left and right ears, with 3 different types of soft earbuds, choose the suitable earbuds for long wear ^^ The push-to-talk (PTT) button on the microphone is very big and easy to use, ensure the smooth communication with your team