Sennheiser HD1 On-Ear Headphones for Apple Devices Black 507399, NOB New Opened Box Condition. Contents: Headphones, Case, cable, Manual, Box. Features: Closed back, on-ear model provides noise isolation and listening comfort in a compact, lightweight design.Connectivity Technology: Wired Made For iPod/iPhone cable with integrated 3 button smart remote and microphone Sennheiser engineered 18-ohm transducers deliver wide frequency response and high output levels when connected to portable audio devices Foldable stainless steel headband makes it