Lightweight and Comfortable: Made to be worn every day, this smart ring is lightweight and comfortable, making it ideal for continuous use. Its sleek design ensures that it blends seamlessly into your daily routine. 5ATM Waterproof: Whether you’re diving into a pool or getting caught in the rain, the smart ring’s 5ATM waterproof rating means you can wear it with confidence in water depths of up to 50 meters. Perfect for swimming, snorkeling, and other water activities. Photo Control: Capture life’s precious moments with ease. The innovative photo control feature lets you easily take photos and turns your smart ring into a remote control for your smartphone camera. Health Monitoring: Keep track of your health with advanced monitoring features. The smart ring tracks key health metrics, provides insights into your well-being, and helps you make informed lifestyle choices. Sports Mode: Supports a variety of regular exercises with GPS tracking, including walking, running, and cycling. After training, you can check the mobile app for detailed insights on time, distance, heart rate and calories, allowing you to easily analyze your health and exercise performance. Specifications: Waterproof: 5ATM class waterproof, diving or snorkeling can be worn to support more than 50 meters depth waterproof Material: Titanium alloy Size: #7 (17.4mm), #8 (18.2mm), #9 (19.0mm), #10 (19.9mm), #11 (20.7mm), #12 (21.5mm); thickness 2.5mm Weight: about 2.5g Chipset (main chip model): German Dialog DA14531 - ultra-low power, more durable Memory (ROM+RAM): 128kb ROM + 96 Kb RAM G-Sensor: SC7A20 Bluetooth version: 5.1 Mobile APP-GPS: Yes Heart rate sensor: 3918 Battery type: Polymer pure cobalt battery Ring battery capacity: 20mAh Charging case Battery capacity: 200mAh Charging time: Two hours Theoretical standby time: 10-15 days Normal use time: 7-9 days Compatibility: Android 5.0 and above; for compatible with Apple IOS 10.0 and above Operation: The ring has no touch and no buttons; App initiates movement and function tests Multi-sports: Multiple movement modes Heart rate: App initiates heart rate test/all-day dynamic heart rate trend and data analysis/heart rate data analysis/last 7 heart rate measurement trends/heart rate history data Sleep: Sleep statistics, sleep percentage, sleep score, sleep analysis, average sleep heart rate and so on Blood oxygen: App initiates oximetry test 7 times, oximetry data 7 times, oxygen saturation trend, oximetry history data Wave your hand to take a picture directly: Innovative design, so you can easily capture the beautiful moment anytime, anywhere. Selfie new height, one finger trigger, beautiful smart ring, remote control photography, so you can easily become your own professional photographer Wechat&compatible with Apple: Access WeChat Sports and for compatible with Apple Health Support OTA: Support FOTA upgrades APP: Jring Package included: 1 x Smart Ring 1 x Charging cable 1 x English user manual