SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… (with OSU keycaps-Black)

O3C OSU SayoDevice Keyboard‘This keyboard with 3 Hall magnetic linear switches, 1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ. | Replaceable Switches‘Supports any Hall magnetic Switches, with a simple click for calibration. | IPS color Screen‘With 0.96 inch IPS color screen,160*80 Resolution, visible key range and button counting. | Custom Screen‘The first line of text on the screen can be customized, such as writing your own ID. | Custom Knob‘The knob can also be set with any key, such as to scroll through the song list. | NOTICE‘Sometimes, the keyboard needs to do "CALIBRATION" ( The steps are shown in the figure ) before use for the first time or after firmware upgrade.