USB Volume Control Computer Speaker Audio Volume Controller Adjuster with One Key Mute Function PC black

This USB volume adjuster can directly control the computer operating system volume. It is a great volume control tool for watching videos, playing games, even will be the best volume controller for wedding, meeting, celebration and so on. Features: Made of metal shell and with rotary shaft, equipped with breathing light and coming with USB cable. The volume can be adjusted from 1 db to 100 db up to your choice, without any sound attenuation. Rotary shaft supports 360 degrees infinite rotation, more durable and great for longtime usage. When rotating or pressing the volume knob, the breathing light under it will light on. With one key mute function, when you are listening to music, just press the knob, it will stop at once and back to music