For those interested in personal stats, such as how many steps you've taken, how many calories you've burned, how much sleep you're getting, then the tremendous Fitbit Ultra's for you. This information is essential for helping you on the way to a healthy lifestyle. Using its accelerometer and altimeter, it tracks how many steps you've taken, how far you've walked, how many calories you've burned, and how many stairs you've climbed.



Link: Techradar