【3 Modes Connectivity】 With 2.4Ghz wireless, Bluetooth, and USB wired 3 modes connection, this is a wireless gaming keyboard that no longer limits how you can connect. What’s more, in Bluetooth mode, you can connect up to 3 devices. Compatible with Windows/ MacOS/ Android. 【61 Keys Compact Design】No additional number keys, can meet you demands in Office or Home. The Mini 60% Mechanical Keyboard is Space-saving and Portable. Equipped with extra 4.7Ft-Grey coiled keyboard cable. USB C custom double-sleeved cable for mechanical gaming keyboard. Compact 61 keys with metal aviator connector braided cables, dedicated for FPS Gamers and efficient working. 【Hot-Swappable Brown Switch】Slightly quieter and easier to trigger than the Blue Switch. Halfway between a Typing and a Gaming switch.Some people prefer Brown Switch since it enables you to Double Tap faster and Typists like them because they still have a good Tactile feedback, but the audio feedback isn't quite as noticeable as Blue Switch. 【RGB Backlit】This 60% Custom Mechanical Keyboard has 18 RGB Backlight Modes, 8 monochrome Backlight Modes and 1 full Color Backlight. These light modes can provide you a charming gaming environment at night. 【Ergonomic Designed】The RK61 is designed with 8°Ergonomic angle which can help you relieve straining effectively.The integrated wrist rest gives you the comfort you need for marathon gaming sessions.