Riversong Smart Ring with Nano Ceramic Design, 24/7 Heart Rate & Sleep Monitor-Black

 SP02 Tracking, Activity & Calories Tracking, 3-Day Battery, IP68 Water Resistant, Compatible with iOS & Android
24/7 Heart Rate & Sleep Monitoring: Continuously track heart rate, REM sleep, and overall sleep quality for in-depth health insights.
SP02 & Activity Tracking: Monitor blood oxygen levels, calories burned, and daily activity to help you reach your fitness goals.
Durable Nano Ceramic Design: Crafted from premium nano ceramic and PC materials for a sleek, durable finish that withstands daily use.
Up to 3 Days Battery Life: Enjoy extended usage with a long-lasting battery that keeps up with your active lifestyle.
IP68 Water Resistance & Wide Compatibility: Built for durability with IP68 water resistance and compatible with both Apple iOS and Android devices.