good product but lack a little power: it is necessary to make the sound on the mp3 otherwise the radio volume it takes up and there is saturated and it spits. damage still we can not read and recharge an iPod with, it's either one or the other (optional cable). in terms of grip radio stations, not too much trouble, in fact the hardest is to find a frequency that is free throughout the country not to have to restart the process each time.