3.5mm JACK DEVICE: USB audio sound card, supports normal stereo, earphone, headphone, headset or microphone with 3.5mm jack, Raspberry Pi 2/3 Xbox PS4 Surface Tablet Laptop, especially for gaming headsets. International standard USB replaces traditional sound card. You can also use microphone and headphones together on iMac/Mac Mini devices with our product. | NO DRIVER REQUIRED：Headset USB adaptor, international USB connector, no extra drivers are needed, easy to use, plug and play for instant audio playback. Lightweight and portable size make it convenient to take anywhere. | MIXER FUNCTION: Multi-channel will bring you a “surround sound” experience. Mini LED and surround sound can improve the level of gaming audio. Microphone/Headphone mute function allows the headset and loudspeaker mode to switch freely providing 16 kinds of rhythmic pattern and 23 kinds of environment mode, without unplugging from the computer. | OPERATIING SYSTEM: The external USB 2.0 sound card adapter can work with all major operation systems like Windows 98SE/ ME/ 2000/ XP/ Server 2003/ Vista/ Win 7/8/10, Linux, Mac OS, etc. | ADJUSTABLE AUDIO SOUND: 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.