Accurate and reliable - in the process of clinical testing, it always beats other pulse oximeters in accuracy and reliability. Accurately measure your Blood Oxygen Saturation (SPO2) and Pulse. Sports Enthusiasts - Suitable for climbers, skiers, cyclists, pilots or anyone interested in SPO2 and pulse rate during exercise, you don’t must use the pulse oximeter before and after exercise. In addition, you should keep still while the pulse oximeter measures pulse and spo2. [Serving for home use, exercise or travel]: while the pulse oximeter accumulated is useful for detecting vital signs, it is not intended for medical use, but rather for situations where you need to know your oxygen level before and after your workout or sport such as running, hiking or cycling, or while traveling on an airplane. Description 0.96 inch 0.96 inch OLED display, 5 levels of adjustable brightness The interface can have six different display modes Low battery battery indication Have blood oxygen, pulse, bar