Kingston HyperX Cloud II / KHX-HSCP / Grey

Quick overview from the supplier:

Headset HyperX Cloud II, Metal, Solid aluminium build, Microphone: detachable, USB Surround Sound 7.1, Frequency response: 15Hz–25,000 Hz, Cable length:1m+2m extension, 3.5 jack, Pure Hi-Fi capable, Braided cable, Mesh bag