Features: This single handed programmable mechanical keyboard provides a unique and efficient gaming experience with 12 programmable keys andRGB lighting, making it the perfect choice for serious gamers. This mechanical keyboard has Hot plug functionality, making it easy to set up and use. Its multifunctional features allow customization according to personalized preferences No driver required, hot plug; Ergonomically designed - all button functions can be set on the Windows keyboard. You can also set knobs, and the macro keyboard has functions such as playing the previous song, the next song, increasing the volume, decreasing the volume, pausing, and playing. The computer does not conflict with multiple keyboards, making it easy to carry. Specifications: Item: Programmable Mini Keyboard Number of Keys:12-Key 2 Knobs Material: ABS Lighting：RGB Size:approx 138.5x76.8x14.5mm/5.45x3.02x0.57in Types: Corded/ Bluetoothcompatible Cable：USB TypeC Package Includes: 1 Piece Mini Keyboard 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.