USB Volume Control Knob Computer Audio Volume Controller Adjuster Supports Mute Function with USB Cable for Win XP/Vista/7/8/10/ Mac Systems

Features:
This external volume control knob designed for computers, is compatible with Win 10/8/7/Vista/XP/Mac systems.
USB connection, plug and play, once you insert it to your power-on computer, you can rotate the knob to adjust the volume of the computer easily and quickly.
Supports one key mute function, just press the knob, it will enter mute status at once, and restore sound when you press again, very simple and convenient to use.
Comes with a USB cable, which is about 2m/6.6ft long, suitable for using with your desktop computer or laptop.
Metal case with anti-slip pads at the button, durable and stable; a great computer volume control knob for watching videos, playing games and so on.