1. Versatile Volume Control Knob: Our USB Volume Control Knob allows you to seamlessly adjust audio levels with a simple twist-clockwise to decrease volume and counterclockwise to increase it, making it the ideal Volume Control for any setup. 2. Customizable Functionality: With built-in support for shortcut keys and customized button functions through our dedicated software, this USB Volume Controller empowers you to tailor your Audio External Volume Control Knob experience to suit your specific needs. 3. One-Click Mute Feature: Enjoy the convenience of a one-click mute function by pressing down on the Volume Control Knob, allowing you to instantly silence your Speakers Switch Control Module without fumbling through settings. 4. Universal Compatibility: This USB Volume Knob is compatible with devices including smartphones, tablets, laptops, and desktop computers, supporting both for and for Android systems for a truly versatile audio control solution. 5. Dynamic RGB Lighting Effects: Enhance your setup with customizable RGB lighting on the USB Volume Control Knob. Easily turn off the lights by holding the knob for 2 seconds or switch them back on with another , adding a stylish touch to your multimedia experience. Color: Black Material: plastic Package Contents: 1 x Volume Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.