About this item 【HEALTH TRACKER】The Smart Ring has a variety of monitoring and tracking functions, The Ring can do Heat Rate detection, Blood Oxygen detection, Blood Pressure detection, stress detection instantly understand your body metrics. making informed decisions about your health. 【SLEEP MONITOR】Comprehensive Nighttime Sleep Health Analysis, Smart sleep health tracker uses sleep analysis including deep sleep, light sleep, rapid eye movement and wakefulness. Record the complete sleep structure and monitor your sleep quality to help you better understand your sleep status. 【IP 68 WATERPROOF】This wearable smart ring adopts IP68 waterproof technology, Fully enclosed structure, supports swimming, hand washing, bathing,diving or snorkeling. 【LONG LASTING BATTERY】A single charge provides up to 4 days of regular use, so you won't need to charge frequently or worry about battery life during workouts and activities. Advantage wireless charging technology make sure you can easy to charge. 【TAKE PICTERS】Remote Control Mobile Camera Innovative design allows you to capture beautiful moments easily anytime, anywhere by swing your hand. 【COMFORTABLE】It is not only lightweight and durable, but also stylish and elegant. Free App, Smart ring health tracker data can be viewed on the mobile app for free without any subscription fee. › See more product details