If you mean adding the file to the TomTom to get the handsfree audio from the line out socket then no it won't work with a 730, in fact it won't work with any recent hardware from TomTom as they closed the loop hole soon after it was discovered.
If you mean will the iO-Play kit work with a 730 then yes it will - Mike
If you mean will the iO-Play kit work with a 730 then yes it will - Mike
