Skullcandy Crusher Evo Wireless Bluetooth HeadphonesPATENTED MULTI-SENSORY CRUSHER BASS TECHNOLOGY. Crusher Bass is the closest thing to experiencing the show live. Rapid Charge gives you 4 hours of listening on a quick 10-minute chargePERSONAL SOUND IN THE SKULLCANDY APP. Answer or reject calls, adjust volume, skip forward or repeat tracks with convenient button controlsBUILT-IN TILE FINDING TECHNOLOGY. Find your headphones near and far when you register your product in the Tile AppFLAT-FOLDING AND COLLAPSIBLE DESIGN.