Description: 3.5mm Device: USB audio sound card, supports normal stereo, earphone, headphone, headset or microphone with 3.5mm , especially for gaming headsets. Headset USB adaptor, USB connector, no extra drivers are needed, easy to use, plug and play for instant audio playback Surround sound can improve the level of gaming audio. Microphone/Headphone mute function allows the headset and loudspeaker mode to switch freely The volume of the output audio can be adjusted by the volume roller on the control panel. Adjust the appropriate sound volume according to your needs. USB headset adapter is also suitable for sound card in the computer laptop desktop. Size Chart: Size: approx. 77x10x34mm / 3.03x0.39x1.34 inch Package Includes: 1 Piece USB Sound Card Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!