The Genuine Fitbit Sense 2/Sense/Versa 4/Versa3 Charging Cable Fast Charger FB174RCC is a black charging cable specifically designed for Fitbit devices. With a fast charging capability, this cable ensures that your Fitbit will be powered up quickly and efficiently. The genuine Fitbit brand ensures quality and compatibility with your device, making it a reliable choice for keeping your fitness tracker charged and ready to use.