Smart Display Screen & Multi-function Knob:Rii RK805 wireless mechanical keyboard comes with TFT smart display and CNC knob. The HD display shows date, time, battery level, gif image, WIN/MAC layout, connection mode at a glance. You can rotate or press the CNC knob to adjust the volume, RGB lighting mode, language, and start your convenient life journey(Date and time calibration needs to be set in wired mode via the Windows driver) Three modes and multi-device compatibility: This gaming keyboard supports Bluetooth, 2.4G wireless, and USB Type-C connection modes. It can be easily connected to computers, tablets, smartphones, and other devices without repeated plugging and unplugging. The keyboard connection is unrestricted, with an effective connection distance of up to 10 meters, meeting all your work, gaming, and study needs 75% Mechanical Keyboard with Gasket Mount:The Rii RK805 utilizes a 75% compact layout and gasket mount construction. The gasket design features 4 layers