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Viatom / Wellue O2 Ring™ - Ring Oxygen Monitor

Keep an eye on your vital signs day and night—without any annoying cables or uncomfortable finger clips. The Wellue O2Ring-S is the next evolution of the popular O2Ring and continuously monitors your blood oxygen saturation (SpO2), your heart rate, and your body movements. Thanks to a 1-second recording interval, up to 24 hours of battery life, a USB-C port, and a gentle vibration alert, it’s the ideal companion for restful nights, sports, and high-altitude adventures.

Key benefits at a glance:

  • Recording accurate to the second: Measures SpO2 and heart rate every second (200 Hz sampling rate).
  • Smart vibration alert: Gently alerts you via your finger in case of low oxygen levels or an unusual heart rate.
  • Up to 24 hours of battery life: Lasts for up to three full nights on a single charge (charges via USB-C).
  • Maximum comfort: Feather-light (17 g), flexible silicone ring design for a secure fit without numbness.
  • Free app & PC software: Detailed reports (PDF/CSV) with absolutely no subscription fees.

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