You need to get your music library onto your Fitbit while you still can

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Fitbit announced that it will discontinue the ability to sync your wearable device with PC and Macs, preventing users from downloading their own music from their computers onto their devices. 

Fitbit has declared it will kill the feature on October 13, writing on its site (opens in new tab) that “we’re removing the option to sync your Fitbit device with the Fitbit Connect app on your computer. Download and use the Fitbit app on your phone to sync your device.”