alta wireless bluetooth helmet drop in headphones- hd speakers compatible with any audio ready ski/snowboard helmet - 3 button glove friendly controls with microphone for hands fre - Newegg.com
Giro AUDIO WIRED KIT CHIPS HELMET - Valley Bike & Ski Shop - Apple Valley, MN
Outdoor Tech Wired Chips Universal Helmet Audio System | REI Co-op
Skullcandy Giro Tune Ups Helmet Stereo Audio System NEW Satisfaction Guaranteed | SidelineSwap