Award-winning, supra-aural headphone with a subtle design, focusing on simple lines and an iconic shape. 40mm speaker drivers for a full-spectrum sound quality with a tight bass and detailed high frequency notes. Designed around an aluminum brace that acts as a rail system for the sliding ear cups.The Tracks headphone is an award-winning, supra-aural headphone with a subtle design, focusing on simple lines and an iconic shape. Designed around an aluminum brace that acts as a rail system for the sliding ear cups. Phone jack cable with one-button controls and microphone. The customizable slider comes in 2 different colors and the 40mm speaker offers a better frequency distribution and a full-spectrum sound quality with an impressive bass and detailed high frequency notes.