Fitbit Zip - Activity tracker - monochrome - Bluetooth - 0.28 oz - lime

3V lithium button battery 4.0 bluetooth smart compatibility for seamless data sync Colored wireless fitness tracker Easy way to track fitness throughout your everyday life Fitbit app helps you set goals to stay on track Fitbit Zip activity tracker uploads your stats wirelessly Graphs, badges and friendly competitions Tracks your steps, distance and calories burned USB dongle