Metene finger pulse oximeter reads accurate oxygen saturation, pulse rate, and perfusion index. It is perfect for sports activities, mountain climbing, and those who need to monitor their blood oxygen circulation and heart rate. Our pulse oximeter can accurately determine body data in 8 seconds. 1 button operation and shut down automatically without operation in 8 seconds. ABS material, the fingertip clip use silica gel material which is soft and easy to apply. The oxygen meter comes with a lanyard, easy to carry.