Smart Ring for Men and Women, Waterproof Fitness Ring Health Tracker, Heart Rate, Stress, Oxygen Monitor, Sleep Steps Calories Tracker, Activity Ring Compatible with iPhone and Android(13#)

Ease of Use and
Comfort: This smart ring works with Android 5.0 and iOS 9.0; before buying, don't forget to measure your finger circumference. The fitness ring is ultra-thin (just 2mm thick) and comfortable, making it ideal for workouts or sleep.
ADVANCED HEALTH TRACKING: Featuring the latest 4.0 sensor chip, these smart rings for men and women automatically track your heart rate, oxygen, and pressure every 30 minutes; this proactive approach to health keeps you well-informed.
Comprehensive Sleep Insights: The health ring lets you easily check deep and light sleep cycles, REM phases, and how often you wake up. The smart ring health tracker helps you enhance your rest and wake up feeling more refreshed, ready for the day ahead.
Fitness & Sports Modes: Whether you're running, cycling, or hiking, smart rings for men have you covered. Health rings record exercise time, steps, and calories burned. The health tracker ring is particularly useful during outdoor activities since it also logs routes. Battery Life & Share Health Data &
Remote Photography: The health rings for women require only 1-2 hours to charge and provide 3-5 days of use. Health data from the ring health tracker can be shared with family members. The ring's remote photo feature is a nice bonus