Compatible for Fitbit Alta Charger, Replacement USB Charging Cable Cradle Dock for Fitbit Alta and Fitbit Ace Fitness Wristband (1-Pack 1FT/30CM)(Not for Alta HR) - Walmart.com
Amazon.com: Fitbit FB150 Wireless Sync Dongle with USB Charging Cable Cord for Fitbit Flex Wireless Activity Tracker - Bulk Packaging : Electronics