Koolertron 23-Key One-Handed Mechanical Keypad, Blue LED

All 23 Keys ProgrammableAll keys can be programmable. The custom programmable key functions include regular 104 buttons, 8 web navigation buttons, 8 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons ^^ All Macro KeysThere are 24 macro function buttons, 12 of which are advanced macros, 12 are quick macros. Macro functions can be used in series and can support up to 792 key commands, which can meet various complex usage scenarios, Such
as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5 s ctrl+c 0.5 s ctrl+v" etc a series of operations ^^ 4-Layer Custom Configurations Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors ^^ Portable Mini KeypadPortable Mini keypad5"x 3.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other ^^ RGB BacklightRGB backlight can be customized to the player's desired color, supports 4 kinds of cool lighting effects. The backlight brightness can be adjusted/turned off