Fitbit Flex Wireless Activity and Sleep Tracker Wristband: Slim, stylish and always by your side. Track your activity throughout the day and monitor the quality of your sleep at night. LED lights on the device show you how your day is measuring up against your personal goals, motivating you to achieve a more active lifestyle.

Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Slate

$79.99

Fitbit Flex Wireless Activity and Sleep Tracker Wristband: Slim, stylish and always by your side. Track your activity throughout the day and monitor the quality of your sleep at night. LED lights on the device show you how your day is measuring up against your personal goals, motivating you to achieve a more active lifestyle.