Detailed Product Description Stereo earphone description:1, Headband design,rugged stainless steel bars,adjustable. ... microphone,provided the best sound clarityDetail description:1, Headphone,Earphone,Headset,computer headphone,Computer headset,Earplug.2, Direct Factory. ... 3, High quality with competitive price.4, OEM also welcome.Specifications:Mi-head size:5*6mmSensitivity ...