The Sportline Walking Shop FM Radio & Calorie Counting Pedometer WS3108SL is a versatile fitness technology device designed for both indoor and outdoor use. This pedometer features a sleek black design with a 1/2" x 2" display that provides information on calories and distance traveled. It also includes personalized features such as a clip, backlight, alarm, and a calendar clock. The device is powered by batteries and includes earbuds in the set. With its user-friendly design and accelerometer sensor, the Sportline pedometer is an excellent tool for runners and joggers looking to track their fitness progress.