Are you thinking of buying a pulse oximeter?Our new pulse oximeter with TFT display is an incredibly small blood oxygen meter, which allows users to take it anywhere taking up little space. It is a device recommended for children and adults who suffer from heart failure, chronic obstructive pulmonary diseases, bronchial asthma, and so on. This finger pulse oximeter can also be used by people with blood vessel diseases, elderly people, alcohol addicts, people who work in elevated areas, unhealthy people or people who simply care about their health and want to take care of themselves.These are some of its most outstanding features:- Its coloured TFT screen is 2.8, and its brightness can be adjusted by the user. Thus you can control your pulse, heart rate, blood oxygen saturation and plestimographic curve.- It contains an operating menu.- It features an audible heart rate alarm.- This pulse oximeter also has a battery indicator and an audible and visual alarm that will warn you when the b