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The Ultra Human Ring Air is the lightest smart ring on the market, weighing only 2 to 3 grams and only 2.4 mm thick, making it much smaller than a smartwatch.
Nonetheless, it offers a range of standard health monitoring features, such as heart rate, HRV, and blood oxygen level tracking. The sensor and battery are housed inside, covered in clear epoxy.
The ring can be worn on the index, middle or ring finger and connected to an Android or iOS phone to capture data through the Ultrahuman app. There are no subscription fees and battery life is up to 4 to 6 days. The price is VND 8.8 million.
(Source: nghenhinvietnam Image source: nghenhinvietnam)
