Features Multi-Function: Enjoy default copy and paste function along with shortcut keys for cut, cancel, select all, play, pause, volume control, and forward and backward functions for enhanced gaming experience. Easy to Program: The programming application offers clear English translation and supports mouse simulation in addition to standard macros, making customization effortless. Instruction Saving: Save your instructions on the device, eliminating the need to reset when changing computers, ensuring a seamless transition between gaming setups. Easy Operation: Equipped with a USB cable and caliper for convenient programming, the 2 key keyboard offers practical and user-friendly operation. Good Texture: The keyboard boasts a smooth appearance and rounded corners for enhanced safety and reliability during intense gaming sessions. Specification: Item Type: 2 Key Keyboard Switch: Red Switch Key Position: 2 Keys Package List: 1 x Keyboard 1 x USB Cable 1 x Caliper 1 x User Manual 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