We’ve assembled the most frequently asked questions about Eversense into one place. Got a question that you can’t find the answer to? Contact us.
It takes approximately 15 minutes to fully charge a smart transmitter when plugged into a wall outlet. It may take longer if charging via a computer USB port or when the battery is empty.


The Eversense® E3 Smart Transmitter is a removable transmitter worn externally over the sensor. It wirelessly powers the sensor and collects glucose data via Near-Field Communication (NFC). It wirelessly sends glucose data (via Bluetooth) to the Eversense® Mobile App. It has a rechargeable battery and is warranted for one year.

To turn the smart transmitter OFF, press and hold the power button for about five seconds.
You will need to install the app on your new mobile device and pair it with your smart transmitter. The
last 3 days of glucose data will be synced to the app on the new mobile device.
There are three steps to ensure proper positioning:
For more details on the signal strength of the transmitter and sensor, tap “Show More Details”.
This feature is to be used for troubleshooting and not intended as first course of action for the user.
Still have questions?
The Eversense team is dedicated and ready to provide the answers and support you need. Simply click the link below.
The Eversense® E3 Continuous Glucose Monitoring (CGM) System is indicated for continually measuring glucose levels for up to 180 days in persons with diabetes age 18 and older. The system is indicated for use to replace fingerstick blood glucose (BG) measurements for diabetes treatment decisions. Fingerstick BG measurements are still required for calibration primarily one time a day after day 21, and when symptoms do not match CGM information or when taking medications of the tetracycline class. The sensor insertion and removal procedures are performed by a health care provider. The Eversense E3 CGM System is a prescription device; patients should talk to their health care provider to learn more.
The Eversense® 365 Continuous Glucose Monitoring (CGM) System is indicated for continually measuring glucose levels for up to one year in people (18 years and older) with diabetes. The system is indicated for use to replace fingerstick blood glucose (BG) measurements for diabetes treatment decisions. Fingerstick BG measurements are required for calibration one time a week after day 13, and when symptoms do not match CGM information or when taking medications of the tetracycline class. The sensor insertion and removal procedures are performed by a health care provider. The Eversense 365 CGM System is a prescription device; patients should talk to their health care provider to learn more.
For important safety information, see bit.ly/eversensesafety
Eversense, Eversense E3 Continuous Glucose Monitoring, Eversense 365 Continuous Glucose Monitoring, and the Eversense logo are trademarks of Senseonics, Incorporated. All other trademarks are properties of their respective owners and are used solely for informative purposes. No relationship or endorsement should be inferred or implied.
Apple Watch® is a product of Apple, Inc., and may be separately purchased from an authorized Apple retailer. Apple Watch is not included with the Eversense CGM System. Android is a trademark of Google LLC.
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