19 KEYS AND 3 KNOBS: Mini macro mechanical gaming keyboard is designed with 9 keys and 3 knobs. You can set all the standard key functions for win keyboard. 2CUSTOMIZABLE FUNCTION: 9 keys programmable keyboard features customization with adjustable knobs for quick customization, minus the cumbersome links. One handed programmable. 3ON BOARD STORAGE: Mini macro mechanical keyboard supports on board storage, no need to reset when replacing PC. type C to USB interface, no driver required, plug and play. 4FASTER AND MORE EFFICIENT: One handed programmable keyboard allows you to work faster and more efficiently, and makes the gaming experience more comfortable and fluent. 5SCOPE OF APPLICATION: Suitable for graphic design, video editing, video color adjustment, computer graphics, software shortcuts, zoom in and out, parameter adjustment, etc. Item Type: 9 Keys Programmable Keyboard Material: ABS, Acrylic Number Of Keys: 9 Keys Shaft: Blue Switch Connection: Type C Wired Applicable Devices: Computer General Purpose 1 x 9 Keys Programmable Keyboard 1 x Charging Cable 6 x Foot Pad 1 x Instruction Manual