Highlights Folding Design S-Logic Natural Surround Sound ULE Technology MU Metal Bufferboard Features: The headphones feature S-Logic Plus, an advancement to Ultrasone's S-Logic Natural Surround Sound technology that provides the same realistic, spatial audio soundstage in a more streamlined earcup. This technology also creates a reduction of sound pressure levels, giving you the same perceived loudness at lower volumes, which may help to reduce the risk of hearing damage. In addition to being able to listen at safer volume levels, the HFI-580 offers reduced electromagnetic emissions. The ULE technology uses an MU metal bufferboard to reduce radiation by up to 98% compared to standard headphones. For professionals who spend a lot of time wearing headphones, this is a fantastic feature. Foldable, Comfortable Design The headphones conveniently fold up for storage in the included bag. The adjustable headband and cushioned earcups provide long-lasting comfort. Fantastic Sound Quality The 50mm drivers provide clear sound. Realistic Soundscape S-Logic Plus is an advancement of the S-Logic Natural Surround Sound