After two micro-chains in A ... which I worked as a term of the warranty, I spend at Sony. Installs in minutes qques, commissioning without the need to record ... and it works. No batteries in the remote control (gift Mr Sony?) So first find a pile and then "MIRACLE", everything works the same USB stick. Remember to put your iPhone in "PLANE" otherwise do not bother to want to listen to your favorite tracks. As for the sound, it lacks relief, pre-established adjustment processes are very inadequate.
In summary, do not be too demanding for the price: it was what we paid and no more!