Top features: - Determines arterial oxygen saturation and heart rate - Connects to HealthManager app for easy data management - Easy to read display with adjustable brightness Determines arterial oxygen saturation and heart rateIf you are undertaking sports or exercise at high altitude or suffer with heart-related problems, the Beurer PO 80 Pulse Oximeter gives you the information you need.Small and light, it is easy to use both at home and on the go and comes complete with a storage pouch.Connects to HealthManagerWirelessly sync your data with Beurer HealthManager app, compatible with both iOS and Android devices.This helps you manage a large amount of data on your phone and target the information you need the most.Easy to read displayThe XL display on the PO 80 Pulse Oximeter provides clear data with four available views and adjustable brightness for your convenience.The PO 80 is also medically certified and compliant with European standards and directives for your peace of mind.