Welcome to our store! 1. Rapid Customization: Multifunctional 12-key, 3-knob keyboard supports quick customization, convenient for setting various key combinations. 2. Connection Modes: The programming keyboard supports Bluetooth, USB, and 2.4G USB receiver modes, allowing for free switching and easy operation. 3. Supported Systems: Keyboard with storage function, can be set up for Windows and used on systems supporting USB protocol, such as VISTA, Linux, OS X, etc. 4. Features: Supports up to 18-bit shortcut overlay, single-key output, simple and fast. The button has a click function and can be used as left and right mouse buttons. 5. Application: Keyboard with RGB design, suitable for office, gaming, music, media, industrial control, laboratories, production line testing, and other fields. Item Type: Programmable Keyboard Material: Acrylic, PCB Application: Suitable for office, gaming, music, media, industrial control, laboratories, production line testing, and other fields Connection Mode: Bluetooth /USB/2.4G USB receiving System Support: for Windows, for VISTA, for Linux, for OS X Keycap Lifespan: Up to 50 million times Light: RGB Type: Dustproof Green Shaft Key Number: 12 keys Product Size: L120xB115xH38mm/4.72x4.52x1.49in Power Voltage: DC 5V/1A Operating Temperature: -10℃-50℃ Battery Type: 1000mAh lithium battery x1 (built-in) 1 x Programmable Keyboard 1 x USB Receiver 1 x USB Cable 4 x Rubber Pad