Fitbit flex Tracker + bands + charger in box

Featuring advanced technology and a range of useful features, the Fitbit Flex is the ultimate fitness companion. You can easily track your steps, distance, and calories burned, as well as monitor your sleep patterns and set personalized goals. you can start using this activity tracker right away and take the first step towards a healthier lifestyle. included here : 1 Fitbit Tracker 4 colorful wristbands 2 chargers 1 USB dongle original box pre-owned ***