FREESTYLE LIBRE 2 blood glucose readerFreeStyle Libre 2 is a medical device fully covered by public health insurance for patients with type 1 diabetes mellitus. The FreeStyle Libre 2 Reader reads and collects glucose data from the FreeStyle Libre 2 Sensor. The Reader displays your current glucose level at the time of the scan and over the past 8 hours. The arrow and its direction indicate the development of your glucose concentration. It can store up to 90 days of measurement history.