[. . . ] [. . . ] Use the inline controller to adjust the volume at any time without having to open the virtual volume control of your sound card. Maximum comfort The lightweight design of the headset guarantees comfort -- even for hours at a time. The adjustable headband and flexible microphone boom ensure a perfect fit for any head shape. And thanks to the color-coded jacks, nothing can go wrong when plugging the headset in. Technical Details MICROPHONE Sensitivity: 58~62 dB Frequency response: 50~13000 Hz Current consumption: 350 mA max Sensitivity reduction: Within -3 dB at 1V Flexibly adjustable HEADPHONES Impedance : 32 Ohm Frequency range: 20 Hz~16 kHz Sensitivity : 89 dB +/- 4 dB FEATURES Cable ca. [. . . ] [. . . ]