Feature: 1. Health Tracker Ring: This smart health ring uses advanced sensors to track your health condition by analyzing key body signals such as exercise data and sleep quality, which helps you keep track of your health at all times. 2. Combination of Fashion and Technology: The smart health tracker ring made of polished ceramic and 316 stainless steel, it is elegant, lightweight, stylish, and comfortable to wear. Energy saving technology ensures continuous monitoring for up to 7 days on a single charge. The ring is compatible for Android and for iOS devices, allowing you to conveniently view your data anytime. 3. Reshape Your Healthy Life: More than just a health monitoring device, it promotes an active and healthy lifestyle. By recording and analyzing your health data, it motivates you to make better choices for a healthier, more vibrant, and balanced life. Whether you are passionate about fitness, focus on sleep, or aim to manage stress effectively, the smart ring provides customized advice and guidance. 4. IP68 Waterproof: This sleep quality tracker ring can be worn freely in everyday water related activities such as handwashing, bathing, and swimming. All sensors continue to monitor your health data without interruption. 5. Perfect Gift: The smart ring offers a comfortable and seamless wearing experience. It makes an ideal gift that will make your loved ones feel special and grateful. Whether for weddings, graduation ceremonies, or housewarming parties, it is the perfect gift. Specification: Item Type: Smart Health Ring Material: Ceramic Ring Battery Type: Lithium Battery Ring Battery Capacity: 18mAh (Built in) Ring Battery Life: Approximately 7 Days Ring Charging Time: 60 Minutes Charging Case Battery Type: Lithium Battery Charging Case Battery Capacity: 400mAh (Built in) Compatible App: for JYouPro . Package List: 1 x Smart Health Ring 1 x Charging Case 1 x User Manual 1 x Charging Cable