Feature 1Multi Functional: The smart ring offers multiple functions, including real time monitoring of heart rate, body temperature, and blood oxygen levels. It helps you keep track of your health and wellbeing all the time. 2Sleep Quality Detector: This bluetooth connection smart ring can detect your sleep time, patterns, and quality, helping you improve your sleep quality. 3Fitness Tracker: The smart health ring can also be a fitness tracker as it records the number of steps you take in a day and provides an excellent user experience. 4Aluminum Alloy and Ceramic Material: The smart ring is crafted from premium aluminum alloy and ceramic, making it durable, waterproof, and aesthetically pleasing. 5Lightweight Design: The ultra light body of the health tracker smart ring is almost unnoticeable. It's so lightweight that you might forget you have it on. 6Ideal Gift: This little smart ring makes a meaningful gift suitable for any occasion or festival, including birthdays, anniversaries, Thanksgiving, Christmas, Easter, and Valentine's Day.Item Type: Health Tracker Smart RingMaterial: Aluminum alloy, ceramic, electronic componentsBattery Type: Lithium battery (shipped with built in battery)Battery Quantity: 18mAhDuration: 3 to 5 daysCharging Time: 45 minutesProtection Grade: IPX8 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xHealth Tracker Smart Ring1 xChargingCable1 x Specification