This talking calorie counter monitors and announces the calories burned from your walking, jogging and running. Great motivator for someone starting a physical fitness regimen. It is designed for all-day use by any person in any physical condition. Wear it in the office, at shopping malls, at home or out running. Announces calories burned in a friendly female voice. Can be set to automatically announce calories burned every 50 calories, or hear your progress at any time with the press of a button. Operates on two replaceable AG13 cells (included). 90-Day warranty.