Detroit Tigers Fan Jams Headphones by Koss Lightweight portable headphones Single entry eight foot cord Adjustable headband for desired comfort Closed leatherette ear cushions Ideal for DJ Use and Lightweight for Portability , Dynamic Element for Extended Frequency Response , Soft Leatherette Cushion for Added Comfort , Closed Cushion System for Maximum Isolation and Deep Bass , New 3.5mm Mini Plug Compatible with all Music Players , Lifetime Limited Warranty , Officially licensed