Create your perfect listening experience with the Skullcandy Crusher Evo Sensory Bass Headphones. You've never heard audio like this before Get ready to experience the patented, skull-thumping power of Crusher Bass - now combined with the ultimate audio customisation of Personal Sound by our partners at Audiodo. Rediscover your music and movies because there's never been anything like this before. Crusher's Bass: Anything else is just an imitation Skullcandy Crusher is the original, one-and-only immersive sensory bass experience - now enhanced for an more incredible experience. Turn the slider down for more mellow bass - turn it up to really rattle your bones. Personalised sound Personal Sound lets you adjust the audio performance to suit your taste. By taking a quick, real-time test on the Skullcandy App, you create a Personal Sound Profile - Audiodo technology analyses the hearing in your left and right ear, then automatically adjusts the audio to optimal levels for your specific hearing. Big, fat 40 hours of battery life You don't have time to plug in your headphones every time you turn around. That's why Crusher Evo is engineered with a full 40 hours of battery life. Plus, whenever you get low, the Rapid Charge feature gives you an extra 4 hours of listening time from just a quick, 10-minute charge! Tile cuts your losses Built-in Tile finding technology means if you ever misplace your headphones, you can easily 'ring'' them from the Tile App. So what might have seemed lost, is now quickly found! Accessory List: Wireless Headphones, USB-C Charging Cable, Backup AUX Cable, Protective Travel Bag, User Guide Depth: 77 MM Height: 166 MM Width: 187 MM Bluetooth: Y Dongle Required: N Noise Cancellation: N Wifi Enabled: N Adjustable Sensory Bass Personal Sound by Audiodo™ Wireless via Bluetooth 5 Up to 40 Hours of Battery Rapid Charge: 10 Minutes = 4 Hours Call, Track and Volume Control Activate Assistant Track and Find if Lost via Tile Flat-folding and Collapsible Compatible with Skullcandy App