OT-U001 USB Volume Control PC Computer Speaker Audio Volume Controller Knob, Support Win 10 / 8 / 7 / Vista / XP & Mac

1. Strong construction: the USB volume control is made of metal shell and ALPS rotary shaft, equipped with breathing light and 1.5m USB cable.
2. 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.
3. It supports Win 10 / 8 / 7 / Vista / XP & Mac, once you connect it to computer by USB cable, it will start to work.
4. A great volume control tool for watching videos, playing games, wedding, meeting, celebration and other activities.
5. Easy operation:
- Turning the knob to turn up and down volume
- Press the knob to make it mute
- Press down the knob and turn it to adjust volume more quickly
- Keep pressing the knob for 8s, it will enter night mode, and breathing light will stay on.
6. Size: 6.5*5.5*4.5cm
7. Weight: 350g