Similar to the Jawbone Up Wristband the Fitbit Flex Wireless Activity + Sleep Wristband is a water-resistant wristband, equipped with Bluetooth 4.0 so you can sinc up with your devises easily. The wristband has many functions such as tracking the steps you made, the steps you climbed, the calories burned during the process, the distance covered, as well as your sleep quality.
LED lights show you your progress
The Flex Wristband allows you to set a goal and uses LED lights to show you the progress you have made. There ate five lights and each of them represents 20% of your total progress. You can choose the type of acivity – steps, calories, or distance.
Track the number of steps, distance and calories
Flex can track your distance traveled, steps taken, the number of calories you burned, as well as the time it took to complete your activity. It’s powered by Fitbit’s accelerometer, and bases calculations like calories burned on your personal profile – reflecting your customized stats
Improve Your Sleep Quality
Wear your wristband at night and it will measure the sleep quality. The wristband uses a silent wake alarm that gently vibrates to wake you at your desired time, without disturbing your partner. At night it tracks how long and well you sleep, and how many times you wake up. In the morning, it wakes you with a silent alarm that won’t bother your partner.