Real-time health monitoringReal-time monitoring of heart rate, blood oxygen, and blood pressureCare for familyUnderstand the health information of family members. Add family members as friends and you can view their health informationIP68 waterproofIP68 level waterproof effect. It's waterproof in daily life and suitable for swimmingSports monitoringA variety of sports modes. Record information such as exercise heart rate, speed and time in real-timeRemote control for taking photosUse the APP to enter the remote control for taking photos function and shake the ring to remotely control the phone to take photosSpecifications:Ring Size Internal Diameter (mm): 7# 17.3mm, 8# 18.1mm, 9# 18.9mm, 10# 19.8mm, 11# 20.6mm, 12# 21.4mm, 13# 22.2mmWeight: Around 5gMajor Function: Steps, distance, calorie calculation, heart rate, blood pressure, blood oxygen saturation, sleep tracking, care (add friends), smart photo takingChipset: AC6323APP: Smart HealthCompatible System: Android 5.1 or Above, iOS 8.0 or AboveRAM Memory: 4MbType: Not SupportedScreen Size: Not SupportedResolution Ratio: Not SupportedEncoder: Not SupportedTouch Type: Not SupportedBT: 5.0 Bluetooth ChipBT Call: Not SupportedWIFI: Not SupportedNFC: Not SupportedSensor: SC7A20HGyroscope: Not SupportedHeart Rate: Goodix GH3018GPS: Not SupportedBattery Type: Polymer Lithium-ionRing Battery Capacity: 20mAhCharging Case BatteryCapacity: 200mAhCharging Method: Charging CaseSmart Health: Steps, distance, calories, exercise data recording, heart rate monitoring, blood pressure, blood oxygen monitoring, sleep health trackingMultiple Exercise Modes: Running, cycling, skipping, walking, mountaineering, yoga, golf, dancingSupported Languages: English, Simplified Chinese, Traditional Chinese, Russian, Ukrainian, German, French, Italian, Spanish, Portuguese, Polish, Greek, Romanian, Hungarian, Czech, Slovak, Irish, Croatian, Swedish, Danish, Finnish, Arabic, Farsi, Norwegian, Japanese, Korean, Thai, VietnameseWaterproof Level: IP68Charging Time: Around 1-2 HoursLife Time: 3-5 Days (Usage), 7-10 Days (Standby)Appearance Material: Ceramic + ResinPackage included:1 x Smart Ring1 x Charging Cable1 x Charging Case1 x English User Manual