Getwow(TM) [2-Pack] Replacement USB Charging Charger Cable Cord for Fitbit Flex Band Wireless Activity Bracelet Compatible With: Replacement USB charger charging cradle dock cable only for Fitbit Alta smart fitness wristband. Please Note: No Reset Function. Voltage Regulator (PTC) Inside: Prevent your Fitbit Alta from being damaged by overcurrent when connected to USB power source on PC, Mac, laptop or notebook. Convenient to Charge: Compact and lightweight, unique clip design, different lengths for different conditions, make your smart watch charging become more convenient. Package Include: BeneStellar 2-Pack Fitbit Alta replacement charging cable. Extra replacement charging cable to give your Fitbit Alta a boost in the office, at home or in travels. 18 Months Warranty: Hassle free replacement or money back during the warranty.