Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor Pulse Ox, Heart Rate and Fast Spo2 Reading Oxygen Meter with OLED Screen Included Lanyard and 2 X AAA Batteries
Easy to use: this finger pulse oximeter designed with one button control which makes measurement more convenient and easier, users just need to put one of his fingers into the fingertip photoelectric sensor for measurement, then the screen will directly show the result clearly, the oxygen level monitor automatically powers off after 10 seconds of inactivity, making the experience safer and more environmentally friendly