NIESTVUA Smart Ring for Women & Men, Health & Fitnes…
Product Description
【Intelligent Advanced Sleep Monitoring】Wear this ultra-thin sleep ring to bed—you’ll barely feel it. It monitors deep/light sleep and awake time. Use Sleep Tracking Ring trends to make informed decisions for a healthier lifestyle. (Designed for fitness tracking only, not for medical device use） 【Health Monitoring】Powered by upgraded 4.0 sensors, this smart ring continuously tracks heart rate, blood oxygen, and blood…
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