Custom Wallpaper - Users can upload images through the app to customize the wallpaper, which makes the central control screen truly unique and personalized. Precise fingertip control. Smooth, water-like rotation: The sensation and sound of the rotation, carefully adjusted after tens of thousands of experiments, are smooth but retain a mechanical feel, like a lively sprite that arrives gracefully. Operational RTOS: Equipped with an intelligent IoT chip, it uses high-performance real-time operation to ensure fast and stable device response. The lightweight gives users an operation and agile experience. Multi-dimensional interaction that revolutionizes the experience: the display with rotating knob is rotatable, pressable, and touch sensitive. Four switch buttons come with track relays and also support remote control via an app., Weight: 0.49273315557 Pounds, Manufacturer: Faeymth