Smart Ring for Men Women Health Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Fitness Step Tracking, IP69 Waterproof Rings for iPhone and Android,Up to 7-Day Battery Size 12

【Size Before You Buy】Before purchasing the Rogbid Smart Ring, we highly recommend you refer to the size chart and measure your finger circumference to ensure the most comfortable fit and avoid unnecessary returns or exchanges
【Intelligent Sleep Tracker】 Experience the convenience of the sleep tracker worn right on your finger. this smart health rings for men women automatically monitor your sleep. Monitor your falling asleep, waking up time, sleep quality (deep sleep and light sleep) through graphs. You can view daily, weekly and monthly sleep data in the App to help you better adjust your habits to improve your sleep quality
【Real-time Health Monitor】The slim smart ring health tracker has accuracy sensors that track heart rate, blood oxygen, blood pressure and other data in 24 hours a day. It helps you track health data, aiming to create an all-day personal health companion—truly bringing “Health at Your Fingertips”  (NOTE: All data is for reference only and has no medical value)