*This item is REFURBISHED. The Synchros E30 delivers distinctive, bold sound: 30mm drivers with PureBass performance takes your music to the next level, with an expansive frequency response and bass you can feel. Its lightweight headband and head-conforming ergonomics blend styling with long lasting comfort and an expert fit. The head-turning styling of this new generation headphone is evident in the choice of five vibrant colors and its distinctive 3-D swivel hinges with aluminum accents.Powerful 30mm drivers deliver legendary JBL sound with bass you can feelSmartphone and tablet-friendly design with universal, in-line, single-button remote microphone and detachable cableLightweight construction and ergonomically-styled headband for a comfortable fitHeightened aesthetics and styling in four vibrant color choices