SENBONO R09 Smart Ring Health & Fitness Tracker with Heart Rate, Sleep Monitoring 5ATM Waterproof for Android & iOS

The R09 Smart Ring delivers comprehensive health tracking in a lightweight, elegant design. Monitor heart rate, blood oxygen, stress, and skin temperature around the clock, while advanced sleep analysis reveals your rest patterns. Track steps, distance, and calories across multiple sports modes with automatic activity detection. The ring also offers HRV monitoring, female health reminders, and remote camera control. Available in silver, gold, and black, it weighs just 3.5g for all-day comfort. Compatible with Android 5.1+ and iOS 8.0+ via the QRing app. 5ATM waterproof rating ensures durability in daily life.