The OEM USB Charging Battery Charger Cradle Dock Cable for Fitbit Blaze Watch in black is a specific charging accessory designed for the Fitbit Blaze model. This cable is essential for charging your fitness tracker and ensuring it is always ready for use during your gym and training sessions. Made by Fitbit, this charging cable is compatible with the Fitbit Blaze and provides a convenient and reliable way to keep your watch powered up and ready to track your fitness progress.