Condition:New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is.Number of Earpieces:double Color:Black Functions:with a USB-C adapter, which really achieves listening anywhere Material:Plastic Type:Ear-Cup (Over the Ear) Model:USB Wired Headphones Connectivity:USB Features 2:120° Adjustable Mic Boom: Flexible and durable Noise cancellation: -78dba Impedance:Horn impedance: 32 ±15%