QALO QRNT Smart Ring, Lightweight Titanium Fitness Tracker with Sleep, Heart Rate Variability, SpO2, Stress, Skin Temperature Monitoring, Water-Resistant, Wireless Charging, Includes 2 Silicone Covers, Silver, Size 8 CONDITION:New LED Flash:This camera's built-in flash

LED Flash:This camera's built-in flash provides extra light in dark environments

size 4 (22-37 lb

or professional

and French

Ultra-Clear

QALO QRNT Smart Ring, Lightweight Titanium Fitness Tracker with Sleep, Heart Rate Variability, SpO2, Stress, Skin Temperature Monitoring, Water-Resistant, Wireless Charging, Includes 2 Silicone Covers, Silver, Size 8 CONDITION:New LED Flash:This camera's built-in flashThe QALO QRNT Smart Ring combines cutting edge nanotechnology with a sleek, lightweight titanium alloy design to deliver comprehensive health and wellness tracking in a discreet wearable. Engineered for comfort and durability, this smart ring monitors key metrics such as heart rate variability (HRV), stress, sleep quality, skin temperature, blood oxygen saturation (SpO2), and physical activity. Its water resistance up to 1. 5 meters for 30 minutes