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Runners, cyclists, and anyone monitoring blood oxygen levels during workouts would get the most use out of this ring-style oximeter, which sits on your finger and tracks SpO2 continuously rather than requiring you to hold still for a reading. At $89, that's $11 off the $100 list price. Buy Now at Walmart
- Monitor continuously with 2-second markers
- Wear comfortably with 15g soft silicone ring
- Get smart notifications instantly
- Use 16 hours continuously per charge
- Export and share data via PDF/CSV
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