The Ultrahuman Ring Air: Following a lawsuit filed by Oura Ring, the Ultrahuman Ring Air has been banned in the US. It was not at the time of my testing, after which we awarded it the superlative “best smart ring if you like working out.” But if you own a ring or purchase one, you can still use it exactly as intended. The company is working on a new design and plans to launch it as soon as possible.
The Ultrahuman Ring Air came out in June 2023. Verizon teamed up with it to be the first carrier to sell a smart ring. The light ring, which costs $349, is available for iOS and Android. It uses infrared photoplethysmography, or PPG, sensors to track sleep, recovery, stress levels, caffeine intake, calories burned, steps and reproductive health for those who menstruate (cycle, ovulation and pregnancy insights). There is no extra subscription fee
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