Allows standard Scala Rider Q2 and Teamset Bluetooth headset the capability of playing music from an MP3 player Extra long, 195mm boom included Audio kits can be attached to helmets using either the standard clamp method new glueing method (includes special glue plate) MP3 connectivity - new audio kit allows an MP3 connectivity option by connecting your MP3 device with the provided Mp3 cable. The cable links the MP3 device to the jack located at the back of the audio kit This device comes included with the Scala Rider Q2 Multiset, but is a necessary add-on to individual Q2 units This device is an accessory kit you must already own a Q2, Teamset, or new-version FM module to use.