The Extreme Sports Pedometer Stopwatch Armband is designed for both indoor and outdoor running and jogging activities. Powered by batteries, this pedometer accurately measures distance traveled and calories burned. It features a small display size with a resolution of 161 x 160, and includes a stopwatch function for tracking workout times. The armband attachment allows for easy wear on the arm during exercise, and the accelerometer sensor ensures precise activity monitoring. This unisex pedometer is lightweight at 5 oz and offers a battery life of more than 7 days, making it a convenient tool for tracking fitness goals.