Pinmed durable Fingertip Pulse Oximeter which approved by CE and ISO13485,which is samll in size,light in weight,and convienient to carry.Newest Fingertip Pulse Oximeter measurement by noninvasive type infrared technology to measure the fingers, toes, ears, this is the place where the most common measurement of blood oxygen, SpO2, and the test results of Fingertip Pulse Oximeter in digital form, main show is the ratio of actual full oxygen saturation under oxygen, usually expressed as a percentage.