Feature: 1. WIDE APPLICATION: USB volume control knob is compatible with multiple systems, supports for Android systems, and is compatible with mobile phones, tablets, laptops, and desktop computers 2. FUNCTIONS AND USES: USB volume controller can directly control the volume of the computer operating system, can be customized, support shortcut keys 3. FLEXIBLE AND ROTATABLE: The spindle of the PC USB volume control knob supports 360° rotating, making it more strong and suitable for long periods of use 4. WITH LIGHT: USB volume controller knob with RGB light, can only switch, Type C interface, plug and use, acrylic and PC material is stable and strong 5. EASY TO USE: There is no need to install any drivers or software on your computer to drive this volume regulator, and can be used after plugging in the device Specification: Item Type: USB Volume Control Knob Material: Acrylic and PC Size: Diameter: Approx. 50mm / 1.97in, Height: Approx. 28mm / 1.10in Features: Customizable; Support shortcut keys Support: For Android systems. Package List: 1 x USB Volume Controller 1 x USB C Data Cable