The is ok however the fitbit itself is rubbish. This is the third one I have owned. The unit only last just past the warranty period then the screen dies. I have learnt my lesson and won't be getting another. When you contact Fitbit they say O that never happened to us before.( yeah right considering this is my 3rd watch it has happen to). Do yourself a favour don't waist your money. Buy another brand they might last longer.