1Powerful Function: The high end blood oxygen saturation monitor is able to provide quick information regarding your blood oxygen levels, ensuring your health. 2Portable and Convenient: The fingertip pulse oximeter comes with about 12x7x5cm size and light in weight, you can test your blood oxygen saturation anytime and anywhere. 3High Accuracy: The pulse oximeter is professionally produced to provide accurate detection, the blood oxygen pulse signal is more accurate, and the computing power stronger. 4Humanization Design: The high quality fingertip pulse oximeter is designed with silicone finger membrane at the clamp mouth, offer more comfortable wearing feeling. 5Wide Application: The fingertip oximeter is suitable for sports enthusiasts like mountain climbers, skiers, bikers or any others interested in measuring their SPO2 and pulse rate.