Contour Plus Elite Blood Glucose Monitoring System Glucometer with Contour Plus Blood Glucose Test Strip 20S Free is used for measuring blood glucose levels in the body. It is a lightweight, simple and accurate device that helps facilitate keeping track of the user’s blood glucose level to help them take necessary steps and precautions to live a healthier life. Without requiring any initial setup, it provides fast, hassle-free and reliable results in simple steps. The device uses Bluetooth to connect with the free Contour®Diabetes app that facilitates and further eases the compilation and usefulness of the user data.