Zacro Replacement USB Charger Charging Cable for Fitbit Charge HR Zacro Replacement Charging Cable Gives Your Fitbit Charge HR Wristband an Extra Boost in the Office, at Home, in Car or in Travels Voltage Regulator (PTC) Inside: Prevent your Fitbit Charge HR from being damaged by overcurrent when Connected to USB Power Source on PC, Mac, Laptop or Notebook Quality Charge Cable with Voltage Regulator to Charge Your Fitbit Charge HR more Securely When Connected to USB Power Source on PC, Mac, Laptop or Notebook 100% New and High Quality, fully functional just as the original cable; Totally length: 27cm NOTE: This Cable Work for The Fitbit Charge HR, NOT for the Fitbit Flex/Charge/Surge/Force/One