Brand: RadioShack. MPN: 260-4716. Green light indicator: Built-in green light indicator provides a clear visual cue for various keyboard functions, such as caps lock and number lock, making it easy to see at a glance which features are active.   USB wired connection: Stable and reliable connection with the USB wired interface, ensuring minimal input lag and consistent performance.   Ergonomic and durable design: Comfortable to use, durable, and built to withstand daily use. The ergonomic design ensures comfortable typing for extended periods.   Low power consumption: Working current of 100mA is energy-efficient, drawing minimal power from your computer, which is particularly useful when you have multiple peripherals plugged in.