2020 new finger clip oximeter oled display fingertip electronic digital pulse oximeter portable sleep blood oxygen spo2 monitoring health

features: 1. parameters: spo2(blood oxygen saturation),pr(pulse rate/heart rate) 2. it features color led display to display content clearly. 3. alarm function:set alarms and beeps as needed.warn when the measured value exceeds the set value. 4. it features silicone finger molds,which is comfortable to wear and does not oppress finger tips. 5. it features low power consumption and environmentally friendly,automatic shutdown after5seconds when not in use. 6. light weight and easy to operate.