PATENTED MULTI-SENSORY CRUSHER BASS TECHNOLOGY. Crusher Bass is the closest thing to experiencing the show live. Featuring two full-range 40mm audio drivers plus additional dual bass drivers, your music and movies will come alive with a sound experience you can actually feel. UP TO 40 HOURS BATTERY + RAPID CHARGE. Stayed locked into your workout with up to 40 hours of battery life. With Rapid Charge, just 10 minutes of charging gives you 4 hours of listening BREATHABLE EAR CUSHIONS + CLAMP FORCE SECURE FIT. Designed to withstand your sweatiest workout with breathable ear cushions, a sweat and water-resistant nano-coating and a secure over-ear fit to stay put. BUILT-IN TILE FINDING TECHNOLOGY. Find your headphones near and far when you register your product in the Tile App. PERSONAL SOUND IN THE SKULLCANDY APP. Download the app and participate in a hearing analysis that automatically adjusts the sound levels for your specific hearing. BUY WITH CONFIDENCE. Skullcandy 1-Year USA Limited Warranty included.