One FreeStyle Libre 14 day CGM sensor for the original FreeStyle Libre 14 day system. The sensor is worn on the back of the upper arm for up to 14 days and is scanned with the FreeStyle Libre 14 day reader.
Works with
FreeStyle Libre 14 day reader (sold separately)
Not compatible with FreeStyle Libre 2, 2 Plus, 3 or 3 Plus readers