Specification AgeRangeDescription : Adult BatteriesIncluded : 1 BatteriesRequired : 1 Brand : CNBRO BulletPoint1 : CONVENIENT LIFE,SLEEP RING : Automatically monitor sleep at night,record sleep duration,analyze sleep data and sleep depth,help you develop good sleep habits BulletPoint2 : CARE FOR YOUR FAMILY : By using the APP,you can add family members as friends.Click on the friends page to learn about your family's health information anytime and anywhere BulletPoint3 : MULTIPLE SPORTS MODES : Recording exercise data,accurately record steps,calories consumption,distance.Suppoort multiple exercise modes for you BulletPoint4 : LARGE CAPACITY : Built-in high-performance heart rate sensor,through the green light sensor,quickly measure your heart rate.You can also turn on APP measure your heart rate.The material is made of carbon fiber,more lightly.Smart ring capacity:20mAh,fast charging with magnetic charger,3-5 days ring single use time BulletPoint5 : FIND YOUR SIZE : US8 (Ring inner diameter:18.1mm/0.71",Ring circumference:56.9mm/2.24"),US9 (Ring inner diameter:18.9mm/0.74",Ring circumference:59.5mm/2.34"),US10 (Ring inner diameter:19.8mm/0.78",Ring circumference:62.1mm/2.44"),US11 (Ring inner diameter:20.6mm/0.81",Ring circumference:64.6mm/2.54"), US12 (Ring inner diameter:21.4mm/0.84",Ring circumference:67.2mm/2.64"),US13 (Ring inner diameter:22.2mm/0.87",Ring circumference:69.7mm/2.74") Color : black CompatibleDevices : Smartphones CompatiblePhoneModels1 : Android CompatiblePhoneModels2 : iPhone Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment IncludedComponents : sports accessory ItemDisplayDimensions_Length : 9.06 centimeters ItemDisplayDimensions_Width : 5.12 centimeters ItemDisplayWeight : 0.6 pounds ItemName : Smart Rings for Men Women Fitness Ring Heart Rate Monitor Sleep Smart Ring Step Counter Calorie Pedometer Rings Waterproof Sports Health Fitness Tracker Carbon Fiber Ring ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sport-pedometers Manufacturer : CNBRO Material : Plastic ModelName : Akozon4q8xbt0owi ModelNumber : JYW8BLACK NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 OperatingSystem : Android/iOS PartNumber : JYW8BLACK-11 Pattern : Solid ProductDescription : MULTIFUNCTIONS: - Pedometer:Steps,Calories,Distance - Heart Rate Monitor - Sport Modes - Sleep Tracker
HARDWARE: Bluetooth:5.0 Full Charge Time:About 1-2 Hour Ring Battery:20mAh APP:Smart Health Standby Time:One full charge gives you(3-5 days of working time)