Upgrade your Giro helmet to include integrated audio with the Giro TuneUps Audio Drops kit. Audio system offers crystal-clear stereo sound from 40mm speakers. Volume control keeps you in the zone while carving tight turns, and an in-line mute button cuts the music at your discretion. System installs quickly and easily without compromising fit and comfort of the helmet; thin speakers drop into the specialized earflaps of a compatable Giro helmet. Please note that the Giro TuneUps Audio Drops kit is not compatible with helmets manufactured before the 2009/2010 winter season. Works with these Giro helmets: Omen, Seam, Sheer, Fuse, Prima, G10MX, G10, Ember, sold separately. Compatable with the Shiv, Revolver Encore 2, G9 Jr., Tag, sold separately.