This portable oximeter is also very easy to use. It can be used directly after installing the battery. Insert the finger and wait for two or three seconds to read automatically. The display is clear and the reading is very convenient. Five-star praise, worth buying, highly recommended.
It is very cost-effective, easy to use, compact and convenient, and easy to carry when going out. It can be placed directly in the bag without taking up space. The measured value is very accurate, basically without deviation, it is very worth buying.
Like the description, the design is small and exquisite, and the screen values are very clear. It can detect blood oxygen and heart rate at the same time. It is easy to use and you can know your health status anytime, anywhere. A very good oximeter.
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