Fitbit Flex Wireless Activity & Sleep Wristband "cell phone battery charger" Questions

cell phone and that doesn't respond - totally blank! How to fix broken Fitbit - sync Fitbit with phone app - PC ... www.pcadvisor.co.uk/how.../how-fix-broken-fitbit-sync-image-3499292... May 15, 2015

battery to be changed. Has an Android app that it syncs (Bluetooth, wireless within 30 ft.) with and makes tracking much easier. This is what it looks like: Amazon com Garmin vvofit Fitness Band Black