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Forget the Apple Watch Ultra 3, this E Ink smartwatch offers 400 days of juice to obliterate its battery rivals (opens in new tab)

Covers DarkZeros/LightInk: ESP-IDF project that build LightMyInk BinariesCovered by Teknikveckan

The LightInk smartwatch has 400 days of battery life, but some serious compromises too

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Teknikveckan·

LightInk är en smart klocka med 400 dagars batteritid

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