Bought multiple pairs of these brand new being a headphone nutcase. They are BRAND NEW with the plastic on the box. Fantastic comfortable cans, I just don’t the extra sets! Description: HD Noise-Canceling Processor QN1 Smart Listening by Adaptive Sound Control Hi-Res audio 1. 57" LCP drivers for up to 40kHz frequency SENSE ENGINE for virtual surround sound Lightweight foamed urethane ear pads Personal noise canceling optimizing Atmospheric pressure optimizing Bluetooth 4. 1 LDAC connection Connect to the Sony Headphones Connect App