X1 Smart Health Ring,Heart Rate-Nighttime Sleep monitoring-5ATM Waterproof Exercise Recording Fitness Tracker-No Subscription Fee Multi-Size

Size Before You BuyThe ring follows US ring sizing standards. If you know your US ring size, simply order the same size for a suitable fit. If you are unsure of your size, use a sizing kit to find your ideal fit. Intelligent Sleep TrackerEquipped with a high-end chip, this sleep-tracking ring automatically monitors sleep at night, including falling asleep, waking time, and sleep quality (deep/light sleep). View daily, weekly, and monthly sleep data in the app. The ring is lightweight and comfortable for overnight wear.

Health Tracker RingThis health tracker ring automatically monitors heart rate and blood oxygen levels 24/7. Check daily, weekly, and monthly health data in the app. Activity TrackerAutomatically records daily steps, calories burned, and distance traveled. Multiple sport modes include running, cycling, jump rope, walking, hiking, yoga, dancing, and golf. Activate a workout mode to view exercise route, duration, heart rate, speed, and calorie expenditure in the companion app. Battery and ChargingA 2-hour charge provides 3-5 days of continuous use.

The charging case has a 400 mah battery and can fully charge the ring about 15 times, extending use time to 60 days. Charge the ring with the magnetic USB cable or the charging case. Wide CompatibilityCompatible with Android 4.4 / iOS 8.4 or above smart phones.
Package contents: smart ring *1, 400mah charging case *1, magnetic USB charge cable *1, USB-C charge cable (for charging the charging case) *1, and instruction *1