Speaker""`50mm Impedance:3215% Sensitivity:116db3 db Frequency response""`20 hz to 20khz Microphone""`6.0*5.0mm Operating current: ` 70macord Length""`2.4m10cm Plug""`7.1 usb plug Protein leather head pad, ensures comfortable and stable wearing for a long time PVC matte black cable, anti-aging, anti winding and more durable. High sensitivity microphone, transfers voice more precisely, clearly, smoothly. Shrinkable hose microphone""`easy to adjust the position and ensure the high-quality calls. USB 7.1 interface""`Comfortable and generous sense of grip, easy to use volume controller, combined with one button for mic mute. 50mm ultra large caliber speakers, brings broad sound field and strong bass. Shocking sound gives you a sense of reality. A shell full of technology feel with LED luminescence, the specter of darkness is noticeable Warm tips: In order to extend the speaker service life and protect your hearing, it is not recommended to adjust the headphones to the maximum level for a long time.