Hivisuals R18 - Silver 8 IP68

【Track Your Health】Hivisuals health ring is designed to provide women and men with a 24-hour heart rate, 24-hour blood oxygen and daily step counts and you can get your health through your finger. Besides,you can check daily, weekly and monthly health data in non-subscription app 【Multiple Sports Data Tracking】This smart ring has multiple sports modes, such as running, hiking, biking, mountaineering, golfing and more. Meanwhile this men's and women's fitness ring will automatically track your steps, calories burned and distance throughout the day 【Comfortable Fit】Hivisuals smart ring for men and women is ergonomic, smooth, and lightweight. So it is more than a wearable, it’s a fashionable tech accessory that merges practical design with a consistently comfortable wearing experience 【Smart Sleep Tracker】You can view your daily, weekly and monthly sleep data in the App, and monitor your falling asleep, waking up time, and sleep quality through charts. It helps you adjust your habits and improve your sleep quality 【Fast Charging with case】Hivisuals Smart Ring offers a portable black charging case, you can use the magnetic USB cable or charging case to charge the smart ring. With the case, this men's and women's fitness tracker can be used for 7-10 days with charging box 【Size Before Buy】Before purchasing the Hivisual smart ring, you can measure your finger size.And Hivisuals smart ring is designed according to the US ring standard, if you know your US ring size, then you can also buy the smart ring with the same US size