The first step is to read the User Manual, charge your Lief device for 2 hours on the charging pad, and download the free Lief mobile app. 

When your Lief is charged (the device's LED will light up green), snap in the ECG stickers to the Lief device and place it on your torso. 

When you're ready to begin the Lief app's onboarding, turn on your mobile device's Bluetooth so it can connect to your Lief. 

On day 1, wear your Lief for at least 6 hours so it can personalize to your body. Afterwards, your Lief will be able to initiate biofeedback exercises based on your unique HRV range. 

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