R09 Rings Womens Men Couple Health Monitor Steps Jring APP Smartring Electronics Devices Waterproof Remote Control Android Ios

Product ParametersWater proof: IP68 waterproofColor: Bright Gold, Bright Black, Bright SilverBluetooth version: 5.4Battery Type: Polymer Pure Cobalt BatteryCharging time: 2 hoursNormal usage time: 3-5 daysCompability Software：JringCompatibility: Supports Android 9.0 and above versions; Apple IOS 10.0 and above versionsHeart rateApp initiates heart rate test/whole day dynamic heart rate trend and data analysis/heart rate data analysis/recent 7 heart rate measurement trend/heart rate history dataSleepSleep statistics, sleep proportion, sleep score, sleep analysis, average sleep heart rate and so onWave your hand to take a picture immediatelyInnovative design, so that you can easily capture the beautiful moment anytime and anywhere. Selfie new height, one finger trigger beautiful smart ring, remote control photography, so that you can easily become their own professional photographerSize#7 (inner diameter 17.4mm) inner diameter circumference 54.66#8 (inner diameter 18.2mm) inner diameter circumference 57.18#9 (inner diameter 19.0mm) inner diameter circumference 59.70#10 (inner diameter 19.9mm) inner diameter circumference 62.52#11 (inner diameter 20.7mm) inner diameter circumference 65.03#12 (inner diameter 21.5mm) inner diameter circumference 67.55#13 (inner diameter 22.3mm) inner diameter circumference 70.06Thickness 2.5mm