?Adjustable Volume Button?The volume of the output audio can be increased or decreased by the volume button on the USB sound card panel, no need for using the mouse to adjust the volume and affect the gaming experience. ?One Click Mute/Un-Mute? When a call comes in during a game or online meeting, just tap it to mute, and no need for other operations. With the unique LED indicator design, it is easier for you to identify the on and off status of mute function, as well as virtual surround sound and scout function. ?Virtual 3D Surround Sound?With Virtual 3D Surround Sound function, you can connect speakers/headphones through this Cubilux USB Adapter to restore the video audio sound and make the sound effect more immersive. ?Designed for Shooting Games?If you like playing shooting games, this USB to 3.5mm TRRS Audio Adapter will be very suitable for you. With footstep sound enhancement design, you can clearly hear the sound of multi-directional footsteps so that the enemy has nowhere to escape. ?USB External Sound Card?Cubilux Gaming USB Sound Card with virtual surround sound function which can enhance the sound of your gaming audio, you can easily adjust the volume of earphones for different scenarios and quickly mute the mic with the mute button during gaming.