BodiMetrics O2 Vibe Sleep & Fitness Monitor – Oxygen & Heart Rate Recorder – Wearable Health & Activity Tracker

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– Lightest and smallest SpO2 monitor on the market; Comfortable (patent pending) thumb sensor frees your finger, unlike any other pulse oximeter on the market; Monitors SpO2 (amount of oxygen in the blood) and pulse rate; Tracks steps; Digital clock displays time
– The monitor has 5 vibration settings to remind you if your SpO2 drops below the threshold you set (80-95%) while exercising.