Fitbit Confirms FitStar Acquisition To Bring Training To Its Fitness Portfolio | TechCrunch
Fitbit x FitStar: More Ways to Find Your Fit - Fitbit Blog
Fitbit Blazeを徹底レビュー!〜同じ心拍計搭載のJawbone UP3との比較アリ〜
Fitbit Launches Redesigned Fitstar Personal Trainer App to Help You Work Out Smarter with Recommended Workouts Based on Fitbit Activity | Business Wire
FitStar (acq. by Fitbit) - Crunchbase Company Profile & Funding
The Fitstar by Fitbit Collaboration Is This Year's Biggest Personal Trainer