POBOVi Ring OnePlus - Ultra-Thin Titanium Smart Ring - 7 Days Battery Life - Fitness/SPO2/Stress/HR/Sleep Skin Temperature Track

Engineered with medical-grade titanium alloy, the POBOVi Smart Ring combines aerospace durability with featherlight comfort (3g). Its hypoallergenic, corrosion-resistant design withstands daily wear while maintaining a sleek, jewelry-grade finish. IP68 Waterproof: Swim, shower, or dive up to 100m (328ft) Sleep Architecture Analysis: ? Distinguishes REM/Deep/Light sleep with 92% accuracy ? Skin temperature tracking (0.1?) Cardiopulmonary Monitoring: ? Medical-grade PPG sensor (Heart rate 1bpm) ? SpO2 alerts for altitude/hypoxia risks ? HRV-based stress/recovery scoring Athlete-Grade Fitness Tracking Auto-detects 15+ activities (running/swimming/yoga) Calorie burn accuracy boosted by dual motion sensors Uncompromised Longevity 7-Day Battery: Single charge lasts 150+ hours Wireless Fast Charge: 0?100% in 55 minutes