We designed the thinnest blood oxygen meter combining used with smart phone as a health-mate for people to keep tracking their blood oxygen data all the time. To be more specific, health-mate manages your blood oxygen data whether you are healthy or not and no matter you are outside or at home. Via Bluetooth technology, device and smart phone app compose a revolutionary platform for storage, browsing and the sharing of large amount of data and professional intervention. Based on the simple, light and detailed design, you can experience an intelligent, graceful and humanized feeling.