Helmet Radioactive VS Audio Drop liner

Helmet Radioactive VS Audio Drop liner The Boeri audio dropliner is great for listening to music while cruising around the slopes. Comes with a volume control that offers a muting function for when you need to focus on your surroundings. The Radioactive VS is compatible with Boeri Vortex and Siren helmets.Audio Helmet No, Helmet Type , Vented , VisorBrim Helmet No, Model Year 2010, Product ID 91761 Volume control with muting function, Compatible with Boeri Vortex and Siren helmets.,