Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers - AE-AMAG50-CLA

• 🟩【Unique knob】Knob (turn left and right, press down) can be programmable. Rotate left and right can be infinitely rotated.It can be set to ± the volume, switch the music previous/next song, reduce/increase the light brightness, switch the light mode, webpage forward/back, etc. 🟩【All 45 Keys Programmable】All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons. You can connect the keypad (plug and play) and a 127-key keyboard with the same computer at the same time, they will not interfere with each other. 🟩【Macro Keys】There are 16 macro function buttons. Macro functions can be used in series and can support up to 349 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 0.5s ctrl+c 0.5s 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. 🟩【RGB Backlight Keyboard】RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds. In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB) 🟩【Mouse function】Added mouse function, you can control the cursor movement, click, and slide functions through buttons 🟩【Combination keys】 You can set "shift+" "alt+" "ctl+" "win+" there are 36 key combinations for setting 💘Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .