Large 53mm CCAW bobbin-wound voice coil drivers reproduce full, wide-range sound. Anti-vibration aluminium housings ensure rich sound reproduction. Self-adjusting headband support mechanism automatically delivers the best possible fit. Bass-ports create tight, deep bass sound. Soft foam earpads provide extra comfort while listening. Large 53mm ccaw bobbin-wound voice coil drivers reproduce full, wide-range sound. Integrated bass-ports create tight, deep bass sound. 3m cord length. 3.0m single sided cord. Adjustable headband. 3.5mm jack with 6.3mm adaptor. 53mm driver. (not included). Manufacturers 2 year guarantee.