Premium around-ear, audiophile grade open back headphones Proprietary Sennheiser 38mm, 50-ohm transducers deliver exceptional clarity, detail and dynamics Angel transducers Inside the ear cups Channel sound directly into your ears improving special realism Padded headband and luxurious XL-size ear pads provide comfort for long listening sessions Two cables included - 3m detachable cable with 6. 3mm jack and 1. 2m detachable cable with 3. 5mm jack