Doestyle 3Ft/1M Replacement USB Charger Charging Cable Cord for Fitbit Surge Wireless Wristband Bracelet (Black) Attention: This cable is ONLY fit for the Fitbit Surge, NOT for the Fitbit Flex/Charge/Charge HR/Force/One. New, High Quality and Excellent Performance! It has a PTC inside to Prevent Your Fitbit Surge from being damaged by overcurrent Voltage regulator inside makes it very safe to charge your Fitbit Surge Fits perfectly for your Fitbit Surge Super Watch,No Loosening Problem, Extra replacement charging cable to give your Fitbit Surge Wristband a boost in the office,at home or in travels.