Fitbit Flex pictures and hands-on - photo 1Fitbit Flex pictures and hands-on - photo 2Fitbit Flex pictures and hands-on - photo 3Fitbit Flex pictures and hands-on - photo 4Fitbit Flex pictures and hands-on - photo 5Fitbit Flex pictures and hands-on - photo 6Fitbit Flex pictures and hands-on - photo 7Fitbit Flex pictures and hands-on - photo 8