【Portable Oxygen Monitor】 this device for sport and aviation use only, not for medical use. used smart natural latex finger probe designed after most investigations, widely suitable kids, teenager...
The CRFISH Smart Rings are equipped with state-of-the-art sensors to track and monitor your blood oxygen levels, heart rate, respiratory rate, mood,human microcirculation, prevention of depression...
Advanced Tracking Sensors】CRFISH Smart Ring has designed advanced sensors to monitor key health parameters such as mood, stress, fatigue, sleep, heart rate, blood oxygen, microcirculation, heart r...
