1. Programmable Keypad: All keys are programmable. All key functions of the standard Windows keyboard can be set, and a complex combination of shortcut keys can be realized with one key.2. Mini size, effectively saving desktop space. Detachable USB cable. You can connect a keypad (plug and play) and another keyboard at the same time on the same computer and they 't interfere with each other.3. Wide range of applications: The mini keyboard is suitable for office, gaming, music, media, industrial control, laboratory, production line testing and other fields, and is a good helper for many other types of users such as designers and video .4. Type-C to USB interface, no driver required, plug and play. Button customization, can be set according to customer requirements. The customer can the setting content to customer service, or it can be designed by the customer. We send the setting software, video operation instructions, and can also remote technical assistance.5. This button can also be used to achieve complex operations, and is a good helper for office, games, music, media, and industrial control.. Mechanical key shaft, durable. Support ergonomic design. Support hot swap.6. Available operating : for Windows/vista/linux/.7. RGB lights can three modes, monochrome, marquee, off. You can let the customer service set it up, or you can specify to help you set it up.Keys: 4Knob: No knob in 4 keysCurrent and voltage: DC 5V/1AInterface: Type-CAxle: Outeum red switchProduct size: 100 x 35 x 30mm-5cm/3.94 x 1.38 x 1.18-1.97inchProduct weight: 58-68 gramsNote: The 4-key keyboard has no volume knob.Operation Style:MechanicalLanguage:EnglishType:WiredApplication:LaptopKeyboard Standard:Mini KeyboardInterf Type:USBcolor:WhiteMaterial:acrylicPackage Contents:1 x Custom Keypad1 x USB Cable