Good product after a first test unused frequency quickly found (although this has nothing to do with the camera will only have to manually browse the radio band with your unit). Bluetooth works well but gives a remote printing to the interlocutor Attention to format your SD card or USB key, the unit does not support NTFS, so you have to format your support FAT32 formats ... Several features: random, repeat, equalizer The song title is displayed ... Remains to be seen how it behaves when driving especially on long trips ... Lack of a manual ...