1、High Accuracy Sensor: The smart ring fitness tracker utilizes advanced sensor to track key data such as body temperature, sleep patterns, and daily steps, allowing you to check your health status at all times. 2、IP68 Waterproof Rating: The IP68 waterproof design allows you to wear the smart ring while washing hands, showering, swimming, and engaging in various water related activities, while the sensor continue to check your health data. 3、Aluminum Alloy Construction: Made of premium aluminum alloy, the elegant and lightweight design ensures a comfortable wearing experience, so light that you may even forget you're wearing this ring. 4、Charging Case Included: With a portable charging case, you can easily charge the ring even when outdoors, ensuring continuous monitoring for up to 7 days without interruption, thanks to energy saving technology. 5、APP Compatibility: The smart ring health tracker is compatible with both for iOS and for Android devices, allowing you to conveniently view your health data on the go through the dedicated APP. 6、Great Gift: This gold smart health ring is a meaningful gift choice for any occasion or holiday, such as a birthday, anniversary, Thanksgiving, Christmas, Hanukkah or Valentine's Day. Item Type: Smart Health Ring Material: Aluminum alloy, electronic components, ABS Color: Gold Ring Battery Type: Lithium battery (shipped with built in battery) Ring Battery Capacity: 28mAh Ring Battery Life: 5 to 7 days approximately Ring Charging Time: 45 minutes Charging Case Battery Type: Lithium battery (shipped with built in battery) Charging Case Battery Capacity: 300mAh APP: for JSRing 1 x Smart Ring 1 x Charging Case 1 x Charging Cable 1 x User Manual