tunes while you tear it up. The Single Shot allows for hands-free listening and the standard audio jack works for CD and MP3 players, and even your old Walkman. Pump up the in-line volume control when you head down a gnarly run, and remove the entire cord system when you feel like taking in some solitude. This kit works with Smiths Variant, Premise, and Venue helmets. Product Features Removable Wires: Yes Volume Control: Yes Compatible Helmets: Variant, Variant Brim, Premise, Venue Recommended Use: Bumpin your tunes Manufacturer Warranty: Lifetime  (less)