Item Type: 3 Button Keyboard Material: ABS Package List 1 x Keyboard 1 x USB Data Cable 13 Key Keypad: Mini programming macro keyboard, with 3 keys design, small and compact, which is convenient for installation and programming. 2Simple Setup: The function of the keyboard buttons can be set by yourself, there is a special setting program, which can be set repeatedly. 3Data Saving: With on board storage, setting data is saved in the keyboard, no need to set again when changing device, saving time and effort. 4System Setting: If you need to set it in the for OS X system, please set it in the for Windows first, and then you can use it on the for OSX system. 5Plastic Shell: The custom keyboard shell is made of ABS, which is comfortable to touch, wear resistant and durable, and has LED light effects.