Smart Ring Health Sleep Tracker Recovery Fitness Tracker for Men Women，Waterproof Compatible with iOS & Android (Black, #10)

About this item [SMART RING] – Measure your fingers before buying. Smart Ring Health Tracker data can easily track your sleep, activity, body temperature and more through the mobile app without any subscription fees. [HEALTH ASSISTANT]- Years of deep cultivation of smart wearable technology, Smart Ring with built-in the latest chip, using the latest instant capture technology to provide accurate vital signs data. Continuously improve the product based on 20,000+ users’ experience. For sports use only, not for medical use. [COMFORTABLE] – Don’t like wearing a watch to bed? You deserve one smart ring. Made of lightweight, skin-friendly, high-strength titanium, barely felt but durable. Provide you with monthly/weekly/daily reports of various sleep stages, such as deep sleep, REM sleep, light sleep and awake, targeted to improve your sleep quality. [5ATM]- Water-resistant to 330 feet, our smart ring is not afraid to swim and can be worn in the shower. [Longer Battery Life] – Truly wireless charging technology that takes only 1 hour to charge and lasts up to 5 days. › See more product details Product information Collapse All Expand All Connectivity Memory & Storage Display Battery Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Additional details Item details Style Compatibility