Boundr Pulse Ring R09 Smart Ring

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Track What Matters, Without the BulkThe Boundr Pulse Ring is a lightweight smart ring built to fit into your training and recovery routine without getting in the way. Slim and comf ortable enough to wear day and night. Continuous heart rate monitoring Sleep tracking (stages, movement, and heart rate variability) Blood oxygen (SpO2) monitoring Step, distance, and calorie tracking Up to 4-6 days of battery life on a single charge Water-resistant to 3ATM Pairs with a free companion app (iOS 10.0+ and Android 5.0+) — no subscription required.SizingAvailable in sizes 7 to 13. Check our ring sizing guide before ordering, as sizing follows standard US ring sizing.What's in the box: smart ring, charging cable, user manual. Show more