GEEKRIA Volume Control Knob with Rotate Volume Adjustment One Key Mute Function, Aluminum Alloy casing Computer Audio Control Adapter, Support Windows XP/Vista/7/8/10/11 macOS (Black)

Volume adjustment knob: Easy to use, Easy to carry, plug-in and use immediately, no need to install drivers. Four Functional Modes: Function Mode 1: Turn left and right: Volume + - Mute/Unmute: Press down Switch up and down songs: Press and hold to turn left or right Function Mode 2: Turn left and right: Volume increase or decrease Press: CTRL+AIT+N Press and hold to turn left: CTRL+AIT+ Left key Press and hold to turn right: CTRL+AIT+ Right key Function Mode 3: Left Turn: Left key Right Turn: Right key Press: CTRL+AIT+N Press and hold to turn left: Volume - Press and hold to turn right: Volume + Function Mode 4: Left Turn: CTRL+ Left key Right Turn: CTRL+ Right key Press: CTRL+AIT+N Press and hold to turn left: CTRL+AIT+ Left key Press and hold to turn right: CTRL+AIT+ Right key Seven Modes of Lighting: 1. Blue always on 2. Green always on 3. Light blue always on 4. Lights off 5. Turn off after blue flashing/Represent blue automatic mode 6. Turn off after green flashing/Represent green automatic mode 7. Turn off after light blue flashing/Represent light blue automatic mode (Automatic light mode: The light is on when there is an operation, and it will automatically turn off after 30 seconds if there is no operation) Note: - Volume Adjustment knob only, Computer equipment are not included. Package content: - USB-A to USB-C adapter x 1 - Volume adjustment knob x 1

• The cable is made of high-quality copper wire, plus nylon braid as a protective layer, zinc-aluminum alloy shell, which has strong corrosion resistance.
• The volume control knob supports Win10/8/7/Vista/XP/Mac, plug and play, no drive is required, the volume can be adjusted directly by turning the knob.
• Varieties of functions and lighting switching modes provide users with diverse needs and bring better user experience.
• Suitable for a variety of scenarios, listening to music, watching movies, meetings, playing games, and the appearance is small and easy to carry.
• Package includes: 1 x Volume Adjustment Knob & 1 x USB-A to USB-C Adapter.