About This EASY TO PROGRAM: The programming application has understandable English translation. In addition to the standard macro, it can also simulate the mouse.The professional design makes it super easy for installation,you are worth trying. EASY The set is equipped with USB cable and caliper to ensure that the 2 key keyboard is easy to operate and program, convenient and practical.rugged ,strong and durable,it is sturdy and for long service life. MULTI FUNCTION: The default copy and paste function, you can also use shortcut keys, cut, cancel, select all, play, pause, volume, forward and backward functions. GOOD TEXTURE: With fine workmanship, the keyboard has a smooth appearance, and its rounded corners make it more and to use.stable and performance, practical, easy to operate and use, has a long service life. INSTRUCTION SAVING: Support to save your instructions on the device. After programming, you do not need to reset when changing the computer. It only takes a few simple steps to complete the work.