2 Pack - SMAVCO (TM) 8 inch Replacement USB Charger Cable for Fitbit Flex Wireless Activity Bracelet Wristband Replacement Cable for Fitbit Flex Wireless Activity Wristband Cable with Voltage Regulator to Charge Your Fitbit Flex more securely Compatible with Fitbit Flex Wireless Activity Wristband Only Not for the Fitbit charge/surge/force/one. No reset button included Length: 8inch (20cm)