Product overview A compact programmable keyboard featuring three Hall magnetic linear switches, a customizable knob, and a 0.96 inch IPS color screen. Designed for precision input, quick customization, and high-speed USB connectivity. Key benefits Reliable magnetic switches: Uses Hall magnetic linear switches for smooth, consistent key action. Switches are replaceable and support any Hall magnetic switch type. Calibration is a one-click process after swapping switches. Fast, stable connection: Type-C USB 2.0 interface with an 8000 Hz polling rate for minimal input latency and stable data transfer. Informative color display: 0.96 inch IPS color screen with 160 x 80 resolution shows visible key ranges and button counts, plus a customizable first line of text for user ID or other short labels. Flexible control knob: Programmable knob can be mapped to any key or function, for example to scroll through playlists or song lists. Easy maintenance and updates: Firmware can be updated as needed. Occasional calibration may be required before first use or after firmware upgrades; follow the provided calibration steps. Specifications and functions Switches: 3 Hall magnetic linear switches, replaceable and compatible with any Hall magnetic switch variant Screen: 0.96 inch IPS color display, 160 x 80 resolution; displays key range and button counting; first display line user-customizable Knob: Programmable encoder; assignable to any key or command Connectivity: Type-C USB 2.0, high-speed 8000 Hz polling rate Calibration: Simple click calibration for switches; perform calibration on initial use or after firmware updates as directed Practical applications Rhythm and timing practice: Use the compact layout and low-latency connection for timing-sensitive rhythm game practice or skill drills that require fast, repeatable input. Streaming and productivity macros: Map commonly used actions to the keys and knob to control media playback, switch scenes, or trigger macros during live streaming and content creation. Music production and editing: Assign transport controls, track navigation, and shortcuts to the knob and keys for hands-on control in audio editing or DAW workflows. What to expect out of the box Keyboard with 3 Hall magnetic linear switches installed Type-C cable for USB 2.0 connection Instructions for calibration and firmware updates Important notice Calibration may be required before first use or after firmware upgrades. Follow the included calibration steps to ensure correct switch detection and performance.