iMarku Fitbit Charge HR Cable, 3.3 ft Replacement USB Charger Cable for Fitbit Charge HR Wireless Band Dear Buyer, Please Recognize the Imarku inc trademark. The Products without the Trademark is Counterfeit. Imarku Seller is Only a Genuine Seller It has a PTC inside to Prevent Your Fitbit Charge HR from being damaged by overcurrent Extra Replacement Charging Cable to Give Your Fitbit Charge HR Wristband a Boost in the office,at Home or in Travels. 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. Fits perfectly for your Fitbit Charge HR Fitness Wireless Activity Wristband. Compatible with: Fitbit Charge HR Band Wireless Activity ONLY!!!