Features Multi-Function: Enjoy default copy and paste function, along with a range of shortcut keys for cut, cancel, select all, play, pause, volume, forward, and backward functions. Easy to Program: The programming application features understandable English translation and the ability to simulate the mouse, in addition to standard macro functions. Instruction Saving: Save your instructions on the device, eliminating the need to reset when changing computers. Easy Operation: Equipped with a USB cable and caliper, ensuring easy operation and programming, making it convenient and practical. Good Texture: This keyboard boasts fine workmanship, a smooth appearance, and rounded corners for safe and reliable use. 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