House of Marley Unisex Liberate Denim Headphones Powerful 40mm moving coil drivers in custom tuned enclosures deliver energy and definition Designed and built with Earth-friendly materials including Marley's proprietary REWIND fabric and TM FSC certified wood 4ft., braided, tangle-free cord and right angle connector are designed for easy storage and use Mic and controller work with most smart phones and provide track and volume control