Henoda 2 Pcs Black Replacement USB Charger Cable for Fitbit Flex Band Wireless Activity Bracelet Charging Charge Only compatible with Fitbit Flex Band Wireless Activity ONLY, Not for Fitbit Force, Not for Fitbit One or other models Only for charging, no reset function Easy for charging, and convenience for you to keep the Fitbit Flex Bracelet Wristband fully charged in the office, at home or in travels Easy to take and use Ideal for travel or to keep at the office.