SPECIFICATIONSActivity Tracked: Steps Tracker,Distance Tracker,Calorie TrackerBattery Capacity(mAh): 14mAh (18mAh for #10 and above)Brand Name: UhoofitCertification: ce,FCCChoice: yesFunction: Health MonitoringHigh-concerned chemical: noneMetrics measured: Heart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor,Body Temperature Monitor,Stress MonitorModel Number: R10Origin: Mainland ChinaWaterproof Grade: 5ATM Basic Parameter Chipset: RTL8762 ESFAPP: QRingCompatible System: For Android 5.1 or above, IOS 8.0 or aboveFLASH memory: RAM104KB FLASH 512KBBT: 5.2Sensor: ST LIS2DOCHeart Rate: Vcare VC9213A (Dual PD Chip Sensor)Battery: 14mAh (18mAh for #10 and above)Ring charging time: about 1.5 hoursWaterproof Level: 5ATM Major Function --Daily activities: steps, distance, calorie counting--Health Management:Heart Rate, Body Temperature, Oxygen Saturation, Sleep Tracking, Multi-Sport Mode, Stress, Heart Rate Variability--Other Functions:Remote Photo, Find Ring, Gesture Control, Games, Female Cycle Software Feature --Steps, sleep, heart rate, workout data recording--Health monitoring, pressure, blood oxygen measurement--Multiple exercise modes, photo taking--Supported languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay Please Note *The packaging box states rose gold, which is the same color as the gold in the link. It's the same color.*If your smart ring does not have the body temperature measurement function, please upgrade the firmware in the QRing app. Smart Health Quality Life Dual-chip precise monitoringconvenient wireless charging---Heart rate and blood oxygen dual PD chip---Wireless charging, convenient and fast Lover's rings Let love transcend distance and be within reach Love wisdom at your fingertips Couple Rings A wonderful fusion of emotion and technology High-end Technology Exquisite Craftsmanship Humanized curved design, wear-resistant metal shell, lightweight,and tens of thousands of times of CNC grinding and polishing to obtain ultimate durability, while the smooth inner shell uses, hypoallergenic epoxy resin, wear-resistant, corrosion-resistant, skin-friendly and comfortable. High-precision sensor Health Management Built-in high-precision biosensor, intelligent body temperature test, monitor heart rate, blood oxygen saturation and female physiology, 24-hour uninterrupted health protection. ---Heart-beating at first sightAll-weather monitoring of heart rate and blood oxygen---Step forwardWhen you move, your steps and calories will be recorded---Women's Health ManagementMenstrual reminder is very considerate Multiple Sports Tracking Real-time Data recording Supports different exercise modes, including walking, running,cycling, swimming, etc. Each exercise can record real-time heart rate, exercise steps, exercise distance, calories burned, exercise time and other exercise data. 5ATM Waterproof You can wear it when you wash your hands, take a shower, or swim in the sea. With a 5ATM waterproof rating, it can continue to monitor your health even if it is completely wet while wearing it. Ultra-long Battery Life Wireless Charging With a dedicated charging station, it has stronger performance and lower power consumption, and can last up to 5-7 days.---Ring Battery Life: 5-7 Days---Standby Time: 15 Days