... card slot, up to 8GB4)Binaural earphone jack, built-in hi-fi 1.5W speaker5)Bigger maps display area, support full screen ... format11)Strong USB fuction:full speed USD Client 2.0, mini USB port11)Strong USB fuction:full speed USD Client 2 ... .0, mini USB port AV IN+bluetooth+ 2G memory; super-thin Support ...