Smart Health Ring - Heart Rate Blood Oxygen Sleep Monitor, Couple Interactive 5ATM Waterproof Fitness Tracker Ring

All-round health tracking: Real-time monitor heart rate, blood oxygen and sleep status around the clock. Fun couple interaction: Unique gesture interaction function to enhance your bond with lovers. 5ATM waterproof: Suitable for swimming, washing hands and all kinds of sports scenarios. Ultra-light & comfortable: Slim and snug design, no discomfort even for all-day wear. Long battery life: Low power consumption, lasts for days after a single charge.