Smart Ring Gold 12-21.4mm For Android And iOS Pedometer Heart Rate Blood Oxygen Sleep Tracker Activity Tracker

Smart Ring Gold 12-21.4mm For Android And iOS Pedometer Heart Rate Blood Oxygen Sleep Tracker Activity Tracker Description

1. Ultra light: The smart ring weighs only 4.4 grams. Its lightweight design keeps your hands free during exercise, reduces pressure on the hands, and does not interfere with movement or performance.
2. Health Monitor: Using optical sensor technology, it tracks heart rate and blood oxygen saturation, providing clear health data. At night, the built‑in gravity sensor estimates sleep duration from movement and gives feedback on sleep quality as a reference.
3. Comprehensive Sports Tracking: The ring records your daily activity and tracks steps, distance, calories burned, and heart rate changes during exercise. It supports multiple sports modes, including walking, running, cycling, and various indoor and outdoor activities.
4. Use scenarios: - During workouts to monitor heart rate and calories without distraction; - All-day activity tracking for steps, distance and energy expenditure; - Sleep tracking for duration and quality reference.
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