Operating system-Android,ios Special feature-Camera Battery capacity-18 Milliamp Hours Battery cell composition-Lithium Gift: The smart health ring is comfortable and noticeable when worn, making it an ideal gift that will make your loved ones feel special and grateful. It's also the gift to weddings, graduation ceremonies, and housewarming parties.Specification:Item Type: Smart Health RingMaterial: Ceramic, Stainless SteelColor: BlueRing Battery Type: Lithium BatteryRing Battery Capacity: 18mAh (Shipped with Built in Battery)Ring Battery Life: About 7 DaysRing Charging Time: 60 MinutesCharging Case Battery Type: Lithium BatteryCharging Case Battery Capacity: 400mAh (Shipped with Built in Battery)APP: for JYouProPackage List:1 x Smart Ring1 x Charging Case1 x User Manual Health : By analyzing data on movement and sleep quality, this smart health ring tracks key body using advanced sensors. It helps you stay informed about your health at all times and is compatible with for iOS and for Android, allowing you to conveniently view your data. IP68 With an IP68 rating, this smart ring is suitable for wear in various daily water related scenarios such as handwashing, showering, and swimming. All sensors continue to operate normally, monitoring your health data anytime, anywhere. Remote Camera Control: After activating the remote camera function in the APP, simply shake your finger wearing the ring a few times to remotely record photos. It's convenient and quick. Reshape Your : More than just a health monitoring device, this smart health ring promotes an active and . By recording and analyzing your health data, it motivates you to choose better ways of living to maintain health, , and balance. Whether you're passionate about fitness, focused on sleep, or seeking effective stress management, the smart ring provides tailored advice and guidance.