Ultrahuman announced its latest smart ring offering up to 15 days of battery life on a single charge. Pre-orders for the Ring Pro were initially unavailable in the US due to legal issues with Oura, but have been resolved. Oura has been actively protecting its IP with patent lawsuits against various competitors. Despite a previous legal defeat, Ultrahuman is pushing forward with the Ring Pro, priced at $399 with an additional $100 for a charging case. Early birds can get both for $349. Customers beyond the first 1,000 may still receive discounts.
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