Whether you are using the computer for Internet phone call， game， education laboratory or video conference， you need a high quality stereo headset with microphone! We strongly recommend this OV- Q5 USB Jack Stereo Headphone Headset with Microphone to you. It has the characteristics of binaural design and adjustable volume. With clear sound and stereo headset， you can enjoy high quality voice and improve auditory art. It is an ly perfect audio device of computer. In addition， it is light weight and easy to carry.                                    Features             Adjustable headband， wear comfortable<br> Has the function of canceling noise <br> High quality headphone for clear voice <br> Soft cushion earplugs for maximum comfort<br> Has volume control in line<br>                                                            Specifications             Speaker Diameter     40mm     <br> Impedance     32 ohms     <br> Sensitivity     104dB， SPLAt 1kHz     <br> Frequency Response     20Hz-20， 000Hz     <br> Max. Input Power     120mW     <br> Cord Length     Approx. 150cm /59.05"     <br> Plugs Type     USB 2.0    <br> Weight     393g / 13.86oz     <br>                                                             Package Includes            1 x OV- Q5 USB 2.0 Jack Stereo Headset Headphone with Microphone Black !#!amp!*! Orange