1、3 Customizable Layers: With layer switching key and layer indicator, you can easily save multiple profiles for different uses. Whether you're a designer, or office worker, this keyboard is a versatile and practical gift suitable for various tasks. 2、Multifunctional: This one handed keyboard is equipped with macro knobs, allowing you to customize and accelerate your workflow or enhance your gaming experience. The knobs can be programmed for various functions, including volume control, navigation, and page scrolling. 3、Slick And Accurate Knob Control: The knobs are not only programmable but also offer endless rotation for entering up to 18 characters in one go. This feature provides a seamless and efficient way to input commands or adjust settings. 4、Wide Application: From office work and gaming to music production and media editing, this programmable macro keyboard is versatile and can be tailored to suit different needs. It is also suitable for industrial control, laboratory use, and production line testing. 5、Easy Programming: Customize your keyboard with ease using the accompanying software. Whether you're a beginner or an advanced user, you can easily program the keys and knobs to enhance your productivity and streamline your tasks. Item Type: One Handed Programmable Mechanical Keyboard Material: ABS, Rubber Working Voltage: 5V 1A Connection Method: USB C Cable Use: Suitable for office, gaming, music, media, industrial control, laboratory, production line testing, etc. 1 x Keyboard 1 x USB C Data Cable 4 x Foot Pads 1 x Manual