Features: Customizable function: This product has a customized button function, where users can assign different functions to each button according to their personalneeds, providing a more convenient and efficient operating experience. 15 buttons and 3 knobs: The product includes 15 buttons and 3 knobs, allowing for more operational choices, adapting to various application scenarios, and meeting the different needs of users. USB connection: Adopting a usb connection methods, connecting to the device through USB or other usb interfaces to ensure stable data transmission and fast response. Compact design: The product adopts a compact design, suitable for placing on the desktop or using alongside other keyboards, saving space and providing an ergonomic grip experience. Easy to configure: The product is equipped with corresponding software tools, and users can configure the functions of buttons and knobs through the software, making it easy to customize personalized settings. Specifications: Item: Mini Keyboard Lighting:LED Number of Keys:15-Key 3 Knob Material: ABS- Mode:Bluetoothcompatible Usb Cable Size: Mixed Color: Black/White Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment. Package includes: 1 Piece Mini Keyboard