A 5-minute vintage Casio mod that can give your $20 watch superpowers, with RGB lighting and Bluetooth

[Redaktion]

Ollee Watch can transform your vintage Casio F-91W or A158W into a modern feature-loaded gadget. The drop-in mod adds Bluetooth, alarms, sensors, RGB backlight, and app sync, all while preserving the classic design and lightweight feel of the iconic watches.

https://www.notebookcheck.net/A-5-minute-vintage-Casio-mod-that-can-give-your-20-watch-superpowers-with-RGB-lighting-and-Bluetooth.1118929.0.html