Smart Rings for Women Men, Fitness Ring with Heart Rate, Blood Oxygen, HRV, Stress, Sleep Tracker, Step Tracker, No Subscription Fee, lP68 Waterproof Smart Ring for iPhone & Android (Rose Gold, 8#)

Before you purchase the Smart Ring, we suggest using the string method shown in our images to measure the outer circumference of your finger. Then, compare your measurement with our size chart in the images to find your correct size. A quick tip: pull the string a bit tighter when measuring, or select one size smaller. This helps the smart ring fit more securely and prevents it from slipping off easily. This intelligent sleep tracker is now worn on your finger. This health ring for men and women can also automatically monitor your sleep. It tracks your falling asleep time, waking up time, and sleep quality (deep sleep and light sleep) through graphs. You can view daily, weekly, and monthly sleep data in the App, helping you better adjust your habits to improve your sleep quality. The fitness ring is so comfortable, you wont even notice its there while it monitors your sleep. This slim smart health ring for women and men offers 24-hour blood oxygen, 24-hour heart rate, and 24-hour HRV monitoring. You can conveniently view these real-time health indicators from your wrist anytime, anywhere, and you can view daily, weekly, and monthly health data in the App. The smart health ring gives you more accurate monitoring information to help you explore a healthier lifestyle. The fitness ring for men and women automatically tracks your steps, calories burned, and distance throughout the day. This smart ring features multiple sports modes such as running, cycling, skipping rope, walking, hiking, yoga, dancing, golf, and more. Activate these sport modes, and you will get workout route, sport time, steps, heart rate, speeds, calories burned, and distance from the App, to provide you with more effective exercise guidance. Enjoy real-time health tracking with the smart ring. The Smart Ring provides up to 3-5 days of use per 2-hour charge. A portable charging case with a 400 mAh battery is included, which can fully charge the smart ring for about 15 times, extending the total usage period to 60 days. You can also recharge the charging case, then use it to charge the smart ring 15 times again. Ideal for frequent business travelers and outdoor enthusiasts, ensuring continuous health monitoring no matter where you are. Simply charge the smart ring with a magnetic USB cable or the charging case. The smart ring is compatible with Android 4.4 / iOS 8.4 or above smart phones. What you get includes: smart ring *1, 400mAh charging case*1, magnetic USB charge cable*1, type C charge cable (for charging the charge case)*1, and instruction*1. This ring tracker is a great gift for men and women