The FreeStyle Libre 2 sensor is a continuous glucose monitoring (CGM) device designed for diabetes management in individuals aged 4 and older. It is worn on the back of the upper arm and measures glucose levels in the interstitial fluid every minute. The sensor can be worn for up to 14 days and provides real-time glucose readings when scanned with the reader. It also features optional, real-time glucose alarms for high and low glucose levels. The sensor is waterproof and can be worn during bathing, showering, swimming, and exercise.
