Item is in very good condition, fully tested and in working condition. The headphones have a few small marks on the headband and outer case as shown per photos. Comes in hard case with pentaconn cable, stereo jack cable and USB drive. 

The Sennheiser HD820 is a high-end audiophile headphone designed to challenge the limitations of closed-back headphones. It features an innovative glass reflector and ring radiator transducer technology, which helps to reduce resonance and deliver a more precise, natural sound. The headphones are known for their exceptional build quality, comfort, and lightweight design, weighing only 360g without cable.