Revealed: Some Sony Xperia devices have hidden FM transmitter feature

Do you know that some of the Sony Xperia smartphones have a hidden FM transmitter feature which could be enabled? The old Nokia N95 was a great smartphone and among other features, it also boasted of a built-in FM transmitter. One could broadcast music through it or play music from it on the car...
Revealed: Some Sony Xperia devices have hidden FM transmitter feature