1. [CUSTOMIZABLE KNOB CONTROLLER] Control volume, playback, screen brightness, and more with ease.
2. [MULTIPLE CONNECTION OPTIONS] Connect via USB C, , or 2.4G for convenience.
3. [EFFICIENT SHORTCUTS] Set up shortcut keys for quick and easy access to functions.
4. [COMPACT DESIGN] Compact and lightweight for easy portability and storage.
5. [DURABLE ROTATING SHAFT] 360° infinite rotation for long-lasting use and smooth control.

Specification:
Item Type: Custom Knob Controller
Material: ABS
Three Modes: 2.4G ( needs to be purchased separately), , USB C wired
Features: Customizable one key input, flip up and down of short videos on mobile phones and tablets, like, adjust screen brightness (laptop), web page switching, video editing software control, electronic book page flipping, car control computer function, music player play/cut songs, volume adjustment, pause playback, mute, and other functions
Support: Support for WINDOWS, support for , support for HarmonyOS, support for IOS systems
Diameter: Approx. 55mm / 2.17in
Height: Approx. 40mm / 1.57in
Battery: 1 x 400mah li battery (built in)
Color: White

How to Use:
Follow the instructions in the manual.

PackageList:
1 x Custom Knob Controller
1 x USB C Data Cable
1 x User Manual

Notice: