Lightweight and Comfortable: Crafted for everyday wear, this smart ring is lightweight and comfortable, making it ideal for continuous use. Its sleek design ensures it fits seamlessly into your daily routine 5ATM Waterproof: Whether you're diving into a pool or caught in the rain, the smart ring's 5ATM waterproof rating allows you to wear it confidently 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 allows you to take pictures easily, turning your smart ring into a remote control for your smartphone camera Health Monitoring: Stay on top of your health with advanced monitoring capabilities. The smart ring tracks vital health metrics, providing insights into your well-being and helping you make informed lifestyle choices Sports Mode: Supports various regular exercises with GPS tracking, including walking, running, and cycling. After your workout, check the mobile app for detailed insights into time, distance, heart rate, and calories, allowing you to easily analyze your health and fitness 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 (17.4 mm), 8 (18.2 mm), 9 (19.0 mm), 10 (19.9 mm), 11 (20.7 mm), 12 (21.5 mm) thickness 2.5mm Weight: about 2.5g Chipset (main chip model): German Dialog DA14531 - ultra-low power, more durable Memory (ROMandRAM): 128kb ROM and 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 Theory Standby time: 10-15 days Normal use time: 7-9 days Compatibility: Android 5.0 and above for Apple IOS 10.0 and above Operation: The ring has no touch and no buttons App initiates movement and function tests Multisports: Multiple movement modes Heart rate: App initiates heart rate test or whole day dynamic heart rate trend and data analysis or heart rate data analysis or recent 7 heart rate measurement trend or heart rate history data Sleep: Sleep statistics, sleep proportion, sleep score, sleep analysis, average sleep heart rate and so on Blood oxygen: App initiates oximetry test 7 times, oximetry data 7 times, oxygenation trend, oximetry historical data Wave your hand to take a picture immediately: Innovative design, so that you can easily capture the beautiful moment anytime and anywhere. Selfie new height, one finger trigger, beautiful smart ring, remote control photography, so that you can easily become your own professional photographer WechatandApple: Access WeChat Sports and for Apple Health Support OTA: Support for FOTA upgrades APP: Jring Package included: 1 x Smart Ring 1 x Charging Cable 1 x Charging Case 1 x English User Manual