About this item 【For Fitbit Luxe/Charge 5 only】： Replacement Charger for Fitbit Luxe/Charge 5 Smart Wristband. Not compatible with Fit-bit Charge 4/3, Fit-bit Charge HR or any other model.No reset function. 【One Cable is Never Enough 】： Extra Charging Cable to Give Your Fitbit Luxe/Charge 5 Heart Rate Fitness Wristband a Boost in the Office, at Home, in Car or in Travels. 【Voltage Regulator (PTC) Inside 】：Built-in safeguards, keep your device battery against overcharge, overcurrent and overvoltage protection, temperature control and foreign object detection. 【LONGER LIFESPAN】：All our (compatible with) Fitbit Luxe/Charge 5 chargers are produced under strict quality inspection, support more than 2000 times repeated insertion-and-extraction test. Any problem, please feel free contact us directly 【Extend Length but Portable 】： 100 cm long length for ample reach, but it can also fold easily. This design makes it easy to store and carry in the office, at home, in car or in travel.