SIZE BEFORE PURCHASE: Please follow the wearing instructions on the details page to first measure the circumference of your finger, then calculate the inner diameter of your finger, find the corresponding ring size number and select it. HEALTH SMART RING: Monitor your and at any time with just a tap of the app, providing insights for timely adjustments. The built-in automatic sleep tracker monitors your sleep patterns and provides detailed sleep quality analysis, including deep sleep, light sleep and wake-up time, to help you develop healthy sleep habits. FITNESS RING: Automatically tracks your daily steps, calories burned and walking distance. Activate Sport Mode in the app to monitor your route, activity time and , providing real-time performance feedback. Know when to push harder or save energy to optimize your workout and stay motivated. ULTIMATE WATERPROOF: Thanks to our 5ATM waterproof technology, you can embrace all environments without worry. Our smartbands are fully sealed to handle everyday contact with water (swimming, showering, even rain), ensuring durability, reliability, and water resistance up to 164 feet in all conditions. WIRELESS SYNCHRONIZATION with MOBILE APP: Smart ring health tracker data can be viewed on the mobile app for free without any subscription fees, and the app provides a variety of charts and graphs so you can monitor your activity progress and health status. The device supports Android 5.1 and iOS 8.0 and above. Product information Package Dimensions 1.18 x 0.79 x 0.39 inches Item Weight 1.76 ounces Department Unisex Adult Manufacturer generic ASIN B0DFHDB99V Country of Origin China Item model number generic Assembly required No Number of pieces 1 Item Weight 50 Grams Units 1.0 Count Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?
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