Onchdbfhuu 2X USB Volume Controller Wired + Bluetooth Multimedia Custom Small Keyboard Adjustable

Bluetooth + wired version: The USB volume controller supports wired connection, Type-C interface, plug and play. It also supports Bluetooth connection. When connecting to Bluetooth, the main device must have Bluetooth function, such as computers and mobile phones. FUNCTIONS AND USES: USB volume controller can directly control the volume of the computer , can be customized, support shortcut keys.( Note: Custom functions require editing software, please contact customer service for editing software.) 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. WIDE APPLICATION: USB volume control knob is compatible with multiple systems, supports for Android and systems, and is compatible with mobile phones, tablets, laptops, and desktop computers. Custom knob, the knob can be defined as any key on the keyboard, or as volume up and down, previous song, next song, play and pause, mouse wheel, etc.