The FreeStyle Libre 2 sensor is factory calibrated and the results are stable for the life of the sensor– so you don’t need to calibrate it again.

• It continuously measures the glucose concentration in your interstitial fluid, and stores 8 hours of data.
• Optional alarms - With optional real-time glucose alarms, rest assured you’ll know when your glucose is too high or too low.
• Alarm - Receive an alarm when your glucose is too low or too high.
• Check - Check the FreeStyle LibreLink app, or your FreeStyle Libre 2 reader to see your glucose reading, trend arrow, and 8-hour history.
• Act - Use the information to take appropriate action as needed.
• Small and discreet - it is designed to be placed on the back of your upper arm and can stay on for up to 14 days.
• Easy to use3 & comfortable to wear - painless to apply and easy to wear.
• Swim, shower or exercise — the sensor is designed to be water-resistant and worn while bathing, showering, swimming and exercising.