The page indicates that it works on Macbook airs from 2011 and newer. However I own a 2012 version and it will not work, because it actually doesn't have Blueto

The page indicates that it works on Macbook airs from 2011 and newer. However I own a 2012 version and it will not work, because it actually doesn't have Bluetooth 4.0. Which is a bummer, because I already had one app that use 4.0 before that I couldn't use on it.