Refurbished QuietComfort Ultra Headphones work as spatial audio headphones, audiophile headphones, and noise cancelling headphones with a mic. - Headphone: 19.5 cm H x 13.9 cm W x 5.08 cm D (0.25 kg) Carry case: 21.1 cm H x 15.7 cm W x 6.1 cm D (0.2 kg) - USB-C on the headphone side, USB-A on the source side (but a C-C cable would also work with a C-capable source), 2.5-mm audio cable for the headphone side and a standard 3.5-mm jack for the device side
