Koil

Transform your analog watch into an health wearable

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Transform your analog watch into an health wearable

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Koil is a thin disc that attaches to the back of any analog watch adding health tracking: - Heart Rate Monitor - Oxygen Saturation - Activity Tracker

Koil makers

Here are the founders, developers, designers and product people who worked on Koil

Koil Watch Track your health, keep your style.