Detailed Product Description Headphone with usb description:1, Headband design,rugged stainless steel bars,adjustable ... , Skin earmuffs,wear comfortable4, It is equipped with noise cancellation rotation microphone,provided the best sound clarityDetail description:1, Headphone ... Computer headset,Earplug.2, Direct Factory.3, High quality with competitive price.4, OEM also welcome.Specifications:Mi-head ...