What does ZeRound track? May 15, 2016 21:34 Updated ZeRound tracks: - Sleep - Calories burnt - Steps done - Distance performed Related articles How to use the sleep mode on my ZeRound? How ZeRound calculates the number of steps done, the distance performed and the amount of Calories burnt? How my ZeRound assesses the quality of my sleep? It seems that the number of steps I have done is inaccurate, is it normal? What is the Bluetooth operating range?