About this item 【Comprehensive Health Monitoring】Fitness tracker ring not only monitors heart rate, blood oxygen saturation, but also records steps, distance, calorie consumption, and has a range of exercise modes. 【Long Battery Life】The 18mAh battery combined with an efficient battery management system can make this smart ring health tracker work for up to seven days, but it only takes two hours to fully charge 【Choose Size Before Buy】Choose the perfect fit from a range of sizes between ring US sizes 7 through 12, ensuring all-day comfort.The sleep smart ring is only the size of a coin and lightweight enough to be worn day and night, You can barely feel it 【5ATM waterproof & Remote Photo Control】In rainy days or swimming , Don’t worry, Waterproof smart ring has 5ATM waterproof rating,After enabling the remote photo function on the app, just shake the finger wearing the ring to take photos remotely. 【Accessory & Sales Service】Packing, Smart Ring*1, Charging Cable*1, Instruction Manual*1. We offer one year quality warranty, please contact with us if you encounter any problems during use. 【Attention】: The package you received does not include ‘smart ring charging case’, only the charging cable is included. If you need the charging case, you can search for it, ASIN : B0DHZMJ24N. It is suitable for all sizes of smart bracelets in our shop. › See more product details Product information Collapse All Expand All User guide Additional details Item details Style Compatibility Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Connectivity Memory & Storage Display Battery Measurements
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