How do you charge the FreeStyle Libre 2 reader?

There is a USB cable and power adapted included in the reader kit. Plug the USB cable into the reader and the power adapter into the outlet to charge the FreeStyle Libre 2's reader battery.

How frequently does the FreeStyle Libre 2 reader need to be recharged?

With normal use, the FreeStyle Libre 2 reader can be used for approximately 4 days before it needs to be recharged.

Are the glucose readings erased from the reader if the FreeStyle Libre 2 reader runs out of power?

No, stored glucose readings on the reader are not lost if the FreeStyle Libre 2 reader runs out of power.

How long does it take to completely charge the FreeStyle Libre 2 reader?

The FreeStyle Libre 2 reader should fully charge in approximately 3 hours if the battery is completely discharged.

Can the FreeStyle Libre 2 reader communicate with more than one sensor at any given time?

No, the FreeStyle Libre 2 reader can only communicate with one sensor at a time. “sensor already in use” will be displayed on the reader.

What will happen if users do not scan the sensor with the FreeStyle Libre 2 reader within an 8-hour period?

The FreeStyle Libre 2 sensor stores up to 8 hours of glucose data. After 8 hours, the oldest data is overwritten by the most recent data. The reader will display a gap in the daily graph where the oldest data would have been.

Does the FreeStyle Libre 2 reader automatically update when in a different time zone? What happens to the data when entering a different time zone?

No. The FreeStyle Libre 2 reader does not automatically update. Changing the time and date affects the graphs and statistics. A clock symbol may appear on your glucose graph indicating the reader time was changed. Gaps in the graph may result or glucose readings may be hidden.

What happens to the 8-hour graph if users change the time on the FreeStyle Libre 2 reader?

Changing the time and date affects the graphs and statistics in the FreeStyle Libre 2 reader. A clock symbol may appear on your glucose graph indicating the reader time was changed. Gaps in the daily graph may result or glucose readings may be hidden.

Does the FreeStyle Libre 2 reader automatically adjust for daylight savings?

No, the FreeStyle Libre 2 reader does not automatically adjust for daylight savings.

Can users Add/Edit notes to any glucose reading or to the last scan only on the FreeStyle Libre 2 reader?

Users can only add/edit notes associated with the last scan or last blood glucose strip test within 15 minutes.

If the user is adding notes to a blood glucose result, will an icon appear on the FreeStyle Libre 2 reader result screen?

If a user adds a food note or rapid acting insulin dose, icons will appear on the sensor Glucose Reading, Logbook and Daily Graph screens.

What does HI/LO mean when it appears after users scan the FreeStyle Libre 2 reader over the sensor?

If LO appears on the reader, the user's result is lower than 40 mg/dL. If HI appears on the FreeStyle Libre 2 reader, the user's result is higher than 400 mg/dL. The user can touch the message button for more information. Check your blood glucose on your finger with a test strip. If you get a second LO or HI result after doing a blood glucose test, contact your health care professional immediately.

What types of sounds/signals are on the FreeStyle Libre 2 reader?

The FreeStyle Libre 2 reader has optional sounds for Confirmation, High, Low, & Signal Loss Alarms*, Reminders, and Touch Sounds and optional vibrations for Confirmation, High, Low, & Signal Loss Alarms, and Reminders. Sound & Vibration settings can be customized in the Settings menu.

Does the FreeStyle Libre 2 reader automatically turn off?

For most screens, the FreeStyle Libre 2 reader dims after 45 seconds and turns off after 60 seconds. From a blood glucose test strip result, removing the test strip will turn off the display.

Is there any chance of overlapping glucose readings if users scan the FreeStyle Libre 2 reader over the sensor multiple times during an 8-hour period?

The FreeStyle Libre 2 reader identifies what data is new with each scan and does not double-count any data.

If the user is testing for control solution, will the user be able to add notes to the FreeStyle Libre 2 reader?

The user cannot add notes when doing a control solution test.

What is a Glucose Trend Arrow in the FreeStyle Libre 2 reader? How does it work? What does it tell users?

A Glucose Trend Arrow indicates which way your glucose is going and is displayed on the FreeStyle Libre 2 reader screen after you use the reader to scan your sensor. Please refer to the FreeStyle Libre 2 User's Manual for more information on how you can factor the Glucose Trend Arrow into your treatment decisions.

Can the FreeStyle Libre 2 reader be used while charging?

The FreeStyle Libre 2 reader can be used while charging via an electrical outlet, but cannot be used while charging via computer. The ability to perform a blood glucose test via a test strip is disabled when the reader is connected via the USB cable and adapter.

Can historical glucose data from the FreeStyle Libre 14 day reader or the FreeStyle LibreLink app be transferred to the FreeStyle Libre 2 reader?

No, the historical glucose data cannot be transferred to the FreeStyle Libre 2 reader. In order to give continuity to glucose data, the user can upload their glucose data to LibreView* from the FreeStyle Libre 14 day reader and the FreeStyle Libre 2 reader to see their historical glucose data.