WIDE APPLICATION: USB volume control knob is compatible with multiple systems, supports for Android and Windows systems, and is compatible with mobile phones, tablets, laptops, and desktop computers.<br> FUNCTIONS AND USES: USB volume controller can directly control the volume of the computer operating system, can be customized, support shortcut keys.( Note: Custom functions require editing software, please contact customer service for editing software.)<br> 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.<br> WITH LIGHT: USB volume controller knob with RGB light, can only switch, Type C interface, plug and use.<br> 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.<br> Item Type: USB Volume Control Knob<br> Features: Customizable; Support shortcut keys<br> Support: For Android systems, for Windows systems<br> How to Use:Insert the USB cable, RGB lights will turn on. Press the knob for 2 seconds to turn off the lights, press again for 2 seconds to turn on the lights. Default volume control function, rotate CW to decrease volume, CCW to increase volume, press for mute.<br> Color: Black<br> Material: Aluminum alloy + acrylic<br> Package Contents:<br> 1 x USB Volume Controller<br> 1 x Type-C Cable<br> Only the above package content, other products are not included.<br> 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store