Versatile Smart Ring: This smart ring supports multiple sports modes and provides realtime heart rate monitoring. Simply tap to display your last reading and initiate new tests, making it an essential companion for fitness enthusiasts.Comprehensive Health Monitor: With advanced features like sleep tracking and blood oxygen measurement, this health monitor offers detailed into your wellbeing. Tap to view sleep duration and blood oxygen levels, ensuring you stay informed about .Innovative Health Fitness Rings: These health fitness rings seamlessly integrate for for WeChat and for Health, allowing you to track your steps and sync with your favorite health apps. Enjoy multilingual app support for a personalized fitness journey.Dynamic Sport Health Ring: Experience the of interaction with this sport health ring, which enables gesture controls and other apps. Effortlessly browse videos, scroll pages, and shop online without touching your phone screen.Convenient Sleep Ring: Capture perfect moments with the sleep ring's remote phototaking feature. A simple gesture triggers the camera, allowing you to take stunning selfies and photos with ease, elevating your photography experience.Thickness: 2.5mmWeight: about 3.4gWaterproof: 5ATM waterproof, can be worn for diving or snorkeling, supports waterproof depth of more than 50 metersBody storage capacity (ROM RAM): 128kb ROM 96 Kb RAMSensor: SC7A20BluetoothCompatible version: 5.1Support APPside GPS data: YesBattery type: polymer pure cobalt batteryWorking temperature: 050Battery capacity: 18mahCharging time: 2 hoursTheoretical standby time: 16 days20 daysUsage time: 3 days4 daysCharging: Charging boxSupport OTA (OTA upgrade): Support Fota upgradeSize:#8(inner diameter 18.2mm)Colour:As ShownMaterial:ABSPackage Contents:1 * tracker1 * charging caseOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.