Smart Ring Men Women Waterproof Heart Rate Blood Oxygen Sleep Health Monitor Sport Fitness Ring Activity Tracker Steps Tracker

Model Number : SR02 Master chip：AB2026 Bluetooth：5 APP：Da Rings Sensor：SC7A20H Heart rate sensor：HX3918 Battery capacity：20mAh Bracelet memory：64KB + 512KB Standby time：About 3~5 days Waterproof Level：IP67 Bluetooth distance：3-5 meters Charging method：Magnetic suction charging System requirements：Android 5.0 and higher versions;IOS 10.0 and higher Ring size：17mm,19mm,20mm，21mm，22mm

Refer to international standard size codes for corresponding models

Basic function： Dynamic heart rate measurement；Blood oxygen saturation measurement；Monitoring of heart rate variability；Sleep monitoring；Pedometer；Exercise records；Physiological cycle analysis；Stress testing

APP supports languages： English, Simplified Chinese, Arabic, Bulgaria, Bengali, Czech, Danish, German, Greek, Spanish, Persian, Finland, French, Hindi, Croatian, Hungary, Indonesia, Italy, Hebrew, Japanese, Korean Mongolian, Malay, Norway, Dutch, Polish, Pashto, Portuguese, Romanian, Russian, Slovakia, Slovenian, Sweden, Thailand, Türkiye, Ukraine, Vietnamese, Hong Kong Traditional, Taiwan Traditional