Fitbit Zip One Product Manual page 7

4. If y o u select "New to F itbit" you'l l be p r o m p t e d to sign up.
If y o u select "Exist ing User" you'l l be p r o m p t e d to log in.
* If y o u already have a F itbit account and want to use your F itbit One with your exist ing account,
log in using that email address, but please note that there can only be one tracker
per F itbit account. If y ou have another tracker associated with that F itbit account, linking a ne w device
to it wil l unlink the previous tracker. To monitor your F itbit One and another tracker
simultaneously, you'l l need to create a new F itbit account with a different email address.
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