2024 New NFC Smart Ring Men Sports Fitness Tracker Women Waterproof Sports Fitness Smart Ring for Android IOS PK R1 Lovers+Box

Note; Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively.--Please do not compared to hospital equipment about reading,it is NOT a medical device!The factory has sent out sufficient inventory and payment has been successful. We will ship quickly and support direct shipment and wholesale as soon as possible Hardware configurations Main control chip:Pixart 2860 Charging Chip: SY8602Acceleration sensor: QMA6100PBattery: 23mAh,3.7/4.2V lithium batteryOptical PPG Analog Front End(PPG AFE) HX3605 Functions Motion measurement: Calories, steps, milesSleep monitoring: 20:00 ~ 8:00(Auto-expansion to12:00)Multi-sport mode: Running, cycling, jumping rope, fitness, hiking, yoga, golf, danceHeart Rate Measurement: SupportBlood Pressure Measurement: Supports photovoltaicOxygen measurement: Support PrecisionAutomatic health monitoring: SupportActivity information data storage: SupportHistorical data retention period: 7-day rolling saveOTA Upgraded: SupportWorking time: 4- 7daysStandby time: 60daysPower off duration: 180days APP System Requirements: Android:6.0 aboveiOS: 11.0 above"Bluetooth version : 5.2Charging Voltage: 4.6 ~ 5.2V