The APP will connect via Bluetooth to a Medical Device (the "Meter") to be purchased separately: MIR Smart One (PEF and FEV1) or MIR Smart One Oxi (PEF, FEV1, SpO2%, BPM). The APP can measure Peak Flow (PEF), Forced Expiratory Volume in one second (FEV1), Oxygen Saturation (SpO2%) and Pulse rate (BPM) directly on your Smartphone. The symptoms of most respiratory and cardiac diseases appear years after onset. Moreover low oxygen levels can be an early warning sign that medical intervention is