Ollee Watch brings smartwatch features to the Casio F-91W with a mainboard replacement
The Casio F-91W is a classic digital wristwatch that’s been in constant production since it was first released in 1989. With a $20 starting price, the watch offers a water resistant design, an LED backlight, and basic features include time, date, and stopwatch functionality. And you can go up to seven years without needing to change the battery.
Over the past few years we’ve seen a few […]
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Read more: https://liliputing.com/ollee-watch-brings-smartwatch-features-to-the-casio-f-91w-with-a-mainboard-replacement/