Welcome to the store! 9 Keys and 3 Knobs: This mini keypad is designed with 9 keys and 3 knobs. It features RGB backlighting and dustproof blue switches. Key Functionality: This programmable keypad includes 3 knobs that can be configured for functions like zoom in/out, next track, volume up/down, pause, play, and more. Multi-functional: This mini keypad offers programmable, storage, and delay functions. It uses a Type-C to USB interface for plug-and-play operation without needing drivers. Delay Function: This 9-key gaming keypad also features a delay function that can be set up to a maximum of 6000 milliseconds. Wide Application: This 9-key keypad with 3 knobs is suitable for various fields including offices, gaming, music, media, industrial control, laboratories, and production line testing. Item Type: Mini Gaming Keypad Material: Acrylic, Printed Circuit Board Usage: Suitable for offices, gaming, music, media, industrial control, laboratories, production line testing, and other fields Supported Systems: for Win, for Vista, for Linux, for OS X Laptop Key Lifespan: Over 50 million times Lighting: RGB Backlit Switch: Dustproof Blue Switch Number of Keys: 9 Power and Voltage: DC 5V/1A Operating Temperature: Minus 10℃ to 50℃ Product Size: Approx. 120 x 115 x 38 mm / 4.7 x 4.5 x 1.5 inches (Manual measurement, slight error may occur) 1 x Mini Gaming Keypad 1 x USB Cable Your 100% satisfaction is our top priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!