B-Stock, AKG K-518 DJ White dynamic DJ headphones with closed back ear enclosing, 32ohm rated impedance, 115dB efficiency, frequency response: 16Hz-24kHz, 2000mW maximum input, 3.5/6.3mm stereo adapter, 3D axis folding mechanism, cable length: 1m, Weight: 150g (without cable). Suitable for portable players and PC/notebooks., B-Stock with full warranty, may have slight traces of use