Features Multi-Function: Enjoy default copy and paste function, as well as shortcut keys for cut, cancel, select all, play, pause, volume control, and forward and backward functions for a versatile gaming experience. Easy to Program: The programming application features clear English translation and supports mouse simulation in addition to standard macros, making customization a breeze. Instruction Saving: Save your programmed instructions on the device, eliminating the need to reset wheNC hanging computers for added convenience. Easy Operation: Equipped with a USB cable and caliper, ensuring easy operation and programming for the 2 key keyboard, making it practical and user-friendly. Good Texture: Boasts fine workmanship, smooth appearance, and rounded corners for a safe and reliable gaming experience. Specification: Item Type: 2 Key Keyboard Switch: Red Switch Key Position: 2 Keys Package List: Item Type: 2 Key Keyboard Switch: Red Switch Key Position: 2 Keys Note: betweendiv>If you want to use it on the for iOS or for LINUX system, you need to set it in advance on the for WINDOWS system.between/div> Package List 1 x Keyboard 1 x USB Cable 1 x Caliper 1 x User Manual