B-Stock, beyerdynamic DT-1990 Pro 250 Ohm Premium Studio headphone for mixing and mastering, Tesla 2.0 Technology, dynamic, open back, over-ear design, impedance 250 Ohm, sound pressure level 102 dB/SPL (1 mW/500 Hz), frequency response 5 - 40000 Hz, 200 mW maximum input, synthetic leather head pad,3 m straight cable, 5 m coiled cable (stretched), 3-pin mini XLR, includes 6,3 mm adapter, velours ear pads, hardcase and and synthetic leather bag, weight: 370 g without cable, B-Stock with full warranty, may have slight traces of use