O2 Care - SpO2 HRV Biofeedback
O2 Care App is a total solution help you analyze and improve sleep and stress related problems (e.g. sleep apnea, snore, anxiety...etc.) It includes three main features: 1. overnight Sleep SpO2 analysis, 2. HRV analysis, 3. Resonance Breath (HRV Biofeedback). Sleep SpO2 analysis and HRV analysis cou