JBL BassLine Over-Ear DJ Style Headphones with In-line Mic Controls BLACK. Description A headphone for the high-octane night owl in us all, JBL BassLine features all the chrome you'd expect from a cutting-edge DJ stereo headphone: bold color schematics, brilliant metal accenting, and dual rotating earcups that let you listen to one track while keeping your other ear poised for the next. It's also got the sound to match the looks: with its 40 mm driver working its high-grade magic on your ear, you'll hear each track as it's meant to be heard authentically. Fully compatible with most smartphones, tablets, and similar devices that play music track-lists, the JBL BassLine connects you with the life of the party from the moment you put it on. Authentic DJ-style design features like dual rotating earcupsThe JBL BassLine's got DJ written all over it, featuring dual rotating earcups that let you listen to one track while keeping your other ear poised for the next.Straight cable with in-line mic connects you to portable devices- as well as to your phoneThe JBL BassLine is the kind of headphone that lets you keep pace with even the fastest social calendar. Not only can it connect to nearly any portable device, letting you DJ from both smartphones and tablets alike- but its in-line mic lets you take phone calls without ever needing to take off your headphones. Either way, you're always connected to the heart of the action.40mm driver featuring high-performance JBL signature soundJBL knows you've got good taste in sound. We like that about you. That's why the JBL BassLine Features details JBL BassLine Over-Ear DJ Style Headphones bold color schematics brilliant metal accenting dual rotating earcups that let you listen to one track while keeping your other ear poised for the next.