Welcome to the store! 1. Programmable Keypad: All keys are programmable. All key functions of a standard Windows keyboard can be set, and a complex combination of shortcuts can be realized with one key. 2. Mini Size: Effectively saves desktop space. Detachable USB cable. You can connect one keypad (plug and play) and another keyboard simultaneously on the same computer, and they will not interfere with each other. 3. Wide Range of Applications: The mini keyboard is suitable for offices, games, music, media, industrial control, laboratories, production line testing, and other fields, and is a great helper for many other types of users such as designers and video editors. 4. Type-C to USB Interface: No driver required, plug and play. Key customization, can be set according to customer's wishes. The customer can provide the setting content to our customer service, or it can be designed by the customer. We will send the setting software, provide video instructions, and can also provide remote technical assistance. 5. This button can also be used to achieve complex operations and is a great helper for office, games, music, media, and industrial control. Mechanical key shaft, durable. Supports ergonomic design. Supports hot swapping. 6. Available Operating Systems: For Windows/Vista/Linux/. 7. RGB Lights: Can choose three modes: monochrome, highlighting, off. You can let customer service set it up, or you can specify that they help you set it up. Keys: 4 Knob: No knob on the 4 keys Power and Voltage: DC 5V/1A Interface: Type-C Shaft: Outeum Red Switch Product Size: 100 x 35 x 30mm-5cm/3.94 x 1.38 x 1.18-1.97inch Product Weight: 58-68 grams Note: The 4-key keyboard does not have a volume knob. Operation Style: Mechanical Language: English Type: Wired Usage: Laptop Keyboard Standard: Mini Keyboard Interface Type: USB Color: Black Material: Acrylic Package Contents: 1 x Custom Keypad 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!