The Lenovo 4Y41R69504 is a wireless keyboard designed to keep you productive without the constant worry of battery life. It utilizes solar energy for self-charging, though it also includes a USB Type-C port for traditional power needs. This device features a membrane plunger switch type, providing a reliable typing experience with a layout that supports both English and Russian languages. Measuring 420 x 151 x 16 mm and weighing 635 g, the keyboard has a slim black profile that fits easily into any modern workspace. You can quickly manage your system settings or media playback using the combined multimedia and Fn keys. Because of its Bluetooth connectivity and sustainable power source, it is an ideal choice for professionals who prefer a clean, cable-free desk environment.