USB Wired and Bluetooth Multimedia Controller with Volume Adjustment Function

WIDE APPLICATION: USB volume control knob compatible with multiple systems, supports Android, mobile phones, tablets, laptops, and desktop computers. FUNCTIONS AND USES: USB volume controller allows direct volume control for computers, customizable with support for shortcut keys. (Note: Custom functions require editing software; contact customer service for details.) Bluetooth + Wired Version: USB volume controller supports wired connection via Type-C interface, plug and play. Also supports Bluetooth connectivity; main device must have Bluetooth capability, such as computers and mobile phones. EASY TO USE: No drivers or additional software required. Simply plug in and use. Customizable Knob: The knob can be programmed as any keyboard key, including volume up/down, previous track, next track, play/pause, or mouse wheel function. Item Type: USB Volume Control Knob Features: Customizable, supports shortcut keys Compatibility: Android systems, mobile devices, tablets, laptops, desktops How to Use: 1. Rotate left: Volume down 2. Rotate right: Volume up 3. Press the knob: Play/Pause 4. Press and rotate left: Previous track 5. Press and rotate right: Next track Color: Black Material: ABS + Acrylic Package Contents: 1 x USB Volume Controller 1 x Data Cable Note: Light reflection and display differences may cause slight variation between image color and actual item. Measurement error allowed within +/- 1-3 cm.