Wonderful Dynamic stereo headphones with Headset Microphone and Headset Microphone position can be adjusted by yourself. Metal head strap feels cooling when wearing the Stereo Headphones. Descriptions:Metal head strap feels cooling when wearing the Stereo HeadphonesStereo Headphones and digital Headset MicrophoneHeadset Microphone position can be adjustedPlug: 3.5mm black earphone plug and 3.5mm red Headset Microphone plugThe Computer Headphones designed for Laptop DesktopSpecifications:Stereo Headset frequency response: 20 to 20KHzImpedance: 32ΩHeadphone sensitivity: 96dBPlugs: standard 3.5mmHeadset Microphone sensitivity: -53dBCable length: 1.5m