Apply a new sensor to the back of the upper arm. The sensor can be worn for up to 14 days. It’s water-resistant, so you can exercise, swim or bathe.5
Once you’ve set up the LibreLink app on your Android phone and started a new sensor, simply 'scan' it by holding the back of the phone near the sensor. The app uses the near-field communication (NFC) capabilities of your Android phone to transfer your glucose data from the sensor.
You will immediately see your current glucose reading, an 8-hour history and a trend arrow to indicate where your glucose is heading.