Logitech releases a wireless keyboard that works by the sunlight, it has a solar cell that gathers energy

https://www.tomshardware.com/peripherals/keyboards/solar-powered-logitech-keyboard-appears-on-amazon-mexico-mx-keys-s-look-alike-promises-up-to-10-years-of-power

According to an early Amazon Mexico listing, Logitech is preparing to launch the Signature Slim Solar+, a wireless keyboard in every sense of the word. The Signature Slim Solar+ features a solar panel. It works everytime when sunlight is available. A perfect companion for a PC when you dont want to pay for extra electricity.