Aluminium Alloy Cover: The usb keyboard case is made of top-tier aluminium material for superior heat dissipation performance, robustness and durability to ensure the longevity of the keyboard. Exquisite powder coating process, feel luxurious, prevent fingerprints and keep the shell neat. In addition, GASKET design that greatly reduces cavity noise and improves typing sound. It's ideal for a satisfying low-noise typing experience in both office and gaming environments 3-Mode Connection Mechanical Keyboard: LEOBOG keyboard supports BT5.0, 2.4GHz wireless and USB wired connection, can connect up to five devices at the same time, and easily switch by shortcut keys or side button.This keyboard features a 75% layout with 81 basic keys, A balance between concise design and complete functionality, improve your experience while saving space RGB Backlit Wireless Keyboard: Hi75C PRO Led keyboard features 16.8 million RGB lighting color. With 17 lighting effects to add a great atmosphere