USB interface, HID standard keyboard, plug and play, no driver required. The keyboard supports multiple function modes. Multiple lighting modes available, with options to choose from over ten different settings. Lighting can be turned off if not needed. Each key can be programmed to different functions independently. Customizable button functions with dedicated software; settings can be saved and reused. Onboard memory stores configurations, so settings are retained when switching devices. Compatible with Windows, Linux, macOS, and Android. Default mode: Keyboard mode. Mouse mode: Move cursor and click mouse buttons. Multimedia control: Control media playback functions. LED control: Adjust keyboard LED to desired state. Gamepad mode: Assign keys to act as gamepad inputs. One-key password entry: Assign a key to input a preset password. Button: White button. Material: ABS + Metal. Color: Black. Package Contents: 1 x Keyboard 1 x USB cable Note: Only the items listed above are included. Light reflection and display differences may cause slight variation in color compared to the actual product. Measurement error allowed is +/- 1-3 cm.