The Copper Fit stepFX Activity Tracker is a sleek and durable device made of celluloid, designed in a stylish black color. This unisex activity tracker by Copper Fit provides accurate measurements of time, calories, and distance, making it perfect for tracking various fitness activities. With features like a timer, pedometer, distance tracker, and calorie monitor, this activity tracker is an essential tool for those looking to monitor their progress in running and jogging. Its wristband design and accelerometer sensor make it convenient and easy to use for any fitness enthusiast.