BFitbit Flex Wireless Activity + Sleep Wristband ReviewbP PP Fitbit Flex Wireless Activity + Sleep Wristband PTracks steps, distance, calories burned and active minutesPMonitor how long and well you sleepPWakes you (and not your partner) with a silent wake alarmPLED lights show how your day is stacking up against your goalPSlim, comfortable and easy to wear (sold with both large and small wristbands included)P*Syncs directly to select iOS and Android devices, see FAQs below for compatible devicesP