Features 1、Fashionable and Durable: The smart health ring combines elegant design with durable materials such as polished ceramic, making it lightweight, stylish, and comfortable. The energy saving technology ensures continuous monitoring for up to 7 days on a single charge, without any interruptions. 2、APP Health Tracker: Utilizing advanced sensors, this smart ring tracks your health status by analyzing crucial body signals such as exercise data and sleep quality. Compatible with both for Android and for iOS, the accompanying APP allows you to conveniently view your data anytime, ensuring you are always in control of your health. 3、IP68 Waterproof: With an IP68 rating, this smart ring health tracker can be worn confidently in various daily water related scenarios such as washing hands, taking showers, or even swimming. Its sensors remain fully functional, continuously monitoring your health data. 4、Reshaping a Healthy Life: More than just a health monitoring device, the wearable smart ring encourages an active and healthy life by motivating you to choose better habits for maintaining health, vitality, and balance. Whether you are passionate about fitness, prioritize sleep, or seek effective stress management, this ring provides customized suggestions and guidance. 5、Perfect Gift Choice: The smart health ring is an ideal gift that will make your loved ones feel special and appreciated, the perfect gift choice for occasion such as Christmas, Thanksgiving, graduation ceremonies, or housewarming parties. Specification Item Type: Smart Health Ring Material: Ceramic Color: Black Ring Battery Type: Lithium Battery, 18mAh (Shipped with Built in Battery) Ring Battery Life: About 7 Days Ring Charging Time: 60 Minutes APP: JYouPro Package List 1 x Smart Ring 1 x User Manual 1 x Charging Cable