Herz P1 Smart Ring Reviews
Herz P1 Smart Ring Reviews is a lightweight, vegan-friendly wearable designed to monitor health 24/7, offering real-time insights via a free iOS/Android app. Marketed for adults 18+ seeking comprehensive wellness tracking, it uses photoplethysmography (PPG) and accelerometers to measure heart rate, heart rate variability (HRV), blood oxygen (SpO2), sleep stages, stress, and activity. Its full-spectrum … Read more