The Fitbit FB505BKGY Versa Special Edition in Charcoal with a Woven Band is an activity tracker designed for fitness enthusiasts. It offers features such as Bluetooth connectivity, average speed tracking, alarm capabilities, and average heart rate monitoring. Specifically tailored for iOS operating systems, this Fitbit model is suitable for a variety of sports and activities including gym training, crossfit, swimming, pilates, running, and jogging. With a sleek black design and band size labeled as L, this fitness technology device from Fitbit is a versatile and reliable tool for tracking and improving your workout performance. In original box. Includes charger and extra band