About this item

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• Slim, smart activity tracker blends fashionable design with stylish metal accents and a bright, easy-to-read display
• Includes advanced sleep monitoring with REM sleep and can gauge blood oxygen saturation levels during the night with the wrist-based Pulse Ox sensor. (Not a medical device and not intended for use in the diagnosis or monitoring of any medical condition)
• Fitness and health monitoring tools include estimated wrist-based heart rate, all-day stress tracking, relaxation breathing timer, VO2 max, Body Battery energy monitor and more
• Features dedicated activity timers for walks, runs, strength training, yoga, pool swims and others; Lens Material: polycarbonate
• Get vibration alerts for all notifications, including calls, text messages and more (text replies available for Android device users)
• Battery life keeps up with you; lasts up to 7 days (excluding Pulse Ox sleep tracking) and is safe for swimming and showering, too