1,Customizable Control: Mechanical 12 Keys and 2 knobs customizable industrial keypad supports for various functions including enlarge, shrink, copy, paste, select all, cut, game, office, music, media, and industrial control. 2,Fine Craftsmanship: Stylish and perfectly designed with upgraded blue switch and RGB LED, providing enhanced gaming experience and cool visual effects. 3,Personalized Button Functions: Set your own button functions with dedicated programming software and onboard storage for easy access and transfer to different devices without the need to reconfigure. 4,Versatile Connectivity: 12 key mechanical keyboard supports three connection options including USB C, BT, and 2.4G receiver for flexible usage. 5,Durable and Efficient: Constructed with ABS material, featuring a rechargeable lithium battery with 400mAh capacity(built in), working voltage of 5V 1A. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.