Feature: 1. Health Tracking: Track your health with advanced sensors. By analysing key body signals such as exercise data and sleep quality, it helps you stay on top of your health. 2. Style And Technology Combined: The smart ring features an elegant design combined with durable materials such as polished ceramic and 316 stainless steel to ensure lightness, style and comfort. Energy saving technology is used to ensure 7 days of continuous use on a single charge without interruption. The charging compartment can recharge the ring up to 18 times. APP is compatible for Android or for iOS, convenient for you to check your data at any time. 3. Reinventing Healthy Living: Not just a health monitoring device, but a proactive life style. By recording and analysing your health data, it can motivate you to make better choices to maintain health, vitality and balance. Whether you are a keen fitness enthusiast, sleep conscious or looking to manage stress effectively, the Smart Ring can provide you with tailored advice and guidance. 4. Remote Control To Take Photos: When you open the APP remote control photo function, gently shake the finger wearing the ring a few times to take a photo. 5. Ideal Gift: Comfortable and senseless to wear. Ideal gift given for your loved ones. It is also the perfect gift used for weddings, graduations and housewarming parties. 6. IP68 Waterproof And Dustproof: You can wear it freely when you wash your hands, take a bath, swim and other kinds of daily water related scenes, and all kinds of sensors monitor your health data at any time as usual. Specification: Item Type: Smart Ring Material: Ceramic, Stainless Steel Ring Battery Type: Lithium Battery, Ring Battery Capacity: 18mah (Built In) Ring Battery Life: About 7 Days Ring Charging Time: 60 Minutes Charging Compartment Battery Type: Lithium Battery, Charging Compartment Battery Capacity: 400mah (Built In) APP: For JYouPro Color: Silver. Package List: 1 x Smart Ring1 x Charging Compartment1 x Instruction Manual