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vivofit jr. Band Fit
The vivofit jr band is made out of material that is designed to stretch over the hand and fit loose to slightly snug on the wrist of most 4-9 year old children. If there is a need to obtain a larger band for the vivofit jr. you can explore your options through the vivofit jr. mobile application:
Open the vivofit jr. application from your mobile phone
Select More
Select Help
Select Band Fit & Wear
Review and follow the Fit & Wear guide by selecting "My Band Is Too Tight" in order to determine the options available to solve your issue