If you have one of our etched glow-through keycaps, this adorable, bite-sized Key Switch Keychain is the perfect accessory to show it off. It's basically a satisfying clicky tactile key switch, with a blue LED and a CR1220 battery. Press the button to connect the LED to the battery and ka-pow! Your keycap lights up. https://elecena.pl/product/19464897/light-up-key-switch-keychain-blue-led 2021-09-16 https://elecena.pl/product/19464897/light-up-key-switch-keychain-blue-led 2026-03-17