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.