1. Stylish and Effective Smart Ring: The Smart Health Monitoring Ring adds a seamless infusion of style and practicality into your . With its minimalist and elegant design along with cutting-edge hardware performance, it balances form and function effortlessly. 2. Heart Health Monitoring: Equipped with state-of-the-art sensors, our smart ring provides precise heart activity data, offering 24/7 heart health monitoring and valuable . 3. Valuable Sleep Analysis: From sleep efficiency, latency, to heart rate variability and body temperature, the ring analyses sleep metrics to provide a comprehensive understanding of sleep behaviours and physical states. 4. Fitness tracking: Experience diverse sports activities on the Smart Health Monitoring Ring app. Track steps, distance, calories, heart rate, and pace with ease. 5. Waterproof and Sweatproof: The smart ring is rated IP68, ensuring its and resilient nature. Bluetooth version:5.0 Battery capacity:28mah Charging :wireless charging (including charging compartment) Waterproof grade:IP68 Bluetooth distance:3-5 meters Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Black Material:ABS Package Contents: 1 * Smart Ring kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.