The Vivitar Activity Action Tracker is a sleek black fitness technology device made of plastic, designed for indoor and outdoor use. It features a display resolution of 161 x 160 and is powered by batteries. This activity tracker, suitable for both iOS and Android operating systems, comes with a one-year manufacturer warranty and provides measurements for time, calories, and distance. Perfect for running and jogging, it also includes a calorie monitor and is worn on the wrist for easy tracking of your fitness goals.