World's Lightest and Thinnest Smart Ring from RingConn boasts 12-day Battery and AI-health tracking - Yanko Design
Briefly

Smart rings, like the RingConn Gen 2, offer a more efficient and minimalist format than smartwatches, with longer battery life, waterproof design, and the absence of a second display for notifications.
The RingConn Gen 2 is lighter than an AirPod and as thin as a credit card, weighing 2-3 grams and having a 2mm wide cross-section, making it comfortable for all-day wear while tracking health data.
Read at Yanko Design - Modern Industrial Design News
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