Tri-mode Connection Wireless Keyboard: BT5.0/2.4GHz/USB-C wired, support multiple devices and system Hot-swappable Mechanical Keyboard: Custom keyboard with hot swappable socket, support 3 pin / 5 pin switches, replacement. DIY your own keyboard freely Pre-lubed Linear Switches: AULA keyboard with pre-lubed switches, provide smooth feeling, quiet, and fast response. Suitable for both gaming and work Gasket Structure: High quality keyboard features gasket structure, which will provide a solf and tactile feel for typing. More stable RGB LED Backlit: Beautiful keyboard with 16.8 million RGB cool backlight. Brightness and lighting speed are adjustable. Users can custom the backlight via the dedicate driver Macro Programmable Computer Keyboard OLED Screen and Knob