Fitbit Flex Wireless Activity + Sleep Wristband. I own this! (not the phone) and love love it!! I've had mine for about 1 year I also have the scale I thought I lost my tracker Friday and was about to go buy another one thank god I found it !!! Worth every penny
Meet the @fitbit Charge, the latest in wearable fitness trackers. It tracks your steps, distance, calories burned, floors climbed, and active minutes on the easy-to-read screen. And, it even monitors your sleep quality!