【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, you will be satisfied at how much space you save. 【Hot-Swappable Blue Switch】Adopted professional RK Blue Switch, which offers quicker and springier response, crisp click sound for spring Typing enjoyment, precise Tactile feedback for ultimate Gaming performance. 【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.