Headset Kit Alpha Audio clear-hear speakers produce highs and lows for quality sound during music playback, Dynamic Noise-Cancelling Mic, Works with stereo and standard offroad intercoms, Universal helmet fitment, Easy installation on any helmet and works with ALL stereo and standard offroad intercoms, With the 3M peel and stick hook and loop system, mounting the speakers and mic boom just became so much easier. Simply adhere the jack box to the exterior of the helmet. Then, secure the mic boom and speakers to the interior of the helmet