Bluetooth wireless over-ear headphones with hybrid noise cancellation, ambient pass-through, wear-detection sensor, Bluetooth 5.2 (aptX Adaptive), USB-C charging & audio interface, 2x 40mm dynamic carbon drivers, 2 microphones for ANC, 2 for telephony, 30-hour playback, 15-minute charge for 7 hours, weight 320g (without case), 189mm(W) x 63mm(D) x 233mm(H).