Wireless/Wired Dual Mode ConnectionConnects with up to 3 devices via Bluetooth and switch among them easily. The Small Wireless Gaming Keyboard also has Wired Mode with USB Type-C Connection. Compatible with Windows/ MacOS/ Android. 61 Keys Compact DesignNo 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. Brown SwitchSlightly 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 BacklitThis 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 DesignedThe RK61 is designed with 8Ergonomic angle which can help you relieve straining and alleviate carpal tunnel syndrome effectively.The integrated wrist rest gives you the comfort you need for marathon gaming sessions.