Docooler USB Volume Control PC Computer Speaker Audio Volume Remote Controller Knob with 1-Key Mute Function Support Rotation Volume Adjust for PC Laptop - Silver

- 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°infinite rotation, more durable and great for long-time 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 when you press again.