Zacro Pack of 2 10.63inch and 39.37inch Replacement USB Charger Charging Cable for Charge Hr Band Wireless Activity Bracelet Zacro Replacement Charging Cable Gives Your Charge HR Wristband an Extra Boost in the Office, at Home, in Car or in Travels Voltage Regulator (PTC) Inside: Prevent your 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 Charge HR more Securely When Connected to USB Power Source on PC, Mac, Laptop or Notebook NOTE: This Cable Work for The Charge HR, NOT for the Flex/Charge/Surge/Force/One