The Fitbit Alta Plum Large Wristband Activity Tracker is a smart watch designed to track your fitness activities, particularly running and jogging. With features such as a clock and calorie monitor, this device helps you stay on top of your workout goals. The large L size wristband is in a stylish purple color, perfect for adding a pop of color to your fitness routine. Created by the popular brand Fitbit, this model is a reliable and user-friendly tool for tracking your health and fitness progress.