B-Stock, Dan Clark Audio AEON 2 Noire Closed-Back - closed-back, Planar Magnetic drivers, over-ear design, impedance 13 ohms, efficiency 92 dB/mW, headband made from metal and leather, synthetic leather ear pads, with hinge-free design, weight without cable 327 g, includes travel case and 1,8m Dual-Entry Cable with 3,5 mm and 6,3 mm plug, B-Stock with full warranty, may have slight traces of use