RingConn is making its presence felt at the IFA with its second-generation smart ring, and in quite emphatic fashion. The RingConn Gen 2 Smart Ring, which launched on Kickstarter in August, has already soared past a crowdfunding tally worth nearly $4 million. But what truly stands out about the wearable device is a special health feature. The RingConn Gen 2 is the first smart ring to offer sleep apnea detection. The company says it has developed its own deep
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