75% ANSI Layout & Knob DesignX85 wireless keyboard is a premium mechanical keyboard for both work and game. Adopts the most popular 75% AINSI layout, features a layout of 81 keys + 1 control knob, making it a practical choice for work/gaming. It retains essential arrow and function keys while freeing up desk space.Easy control with the built-in volume knob maded from high-grade CNC aluminum.Press the knob to switch the light and rotate left/right to adjust the volume. TRI-MODE Wireless Connectivity & Multi-Device TaskingX85 computer keyboard supports 3 Bluetooth channels + one 2.4GHz wireless USB receiver + one Type-C wired connection. Easily switched among the three modes for efficient multitasking by FN+ combination keys. Included 5000mAh large-capacity battery ensures a long use. Compatible with Win/Mac system. Gasket-Mount Mechanical Keyboard & PCB Single Key SlottingThis wireless gaming keyboard features a gasket structure, extended integrated silicone pad, and PCB singl