1.quad band or dual band 2.2 cards 2 standby 3.Color: black/blue/red 4.mp3,mp4 Description:2 cards 2 standby,FM Radio,1.8inch screen,T-flash slot,MP3,MP4,bluetooth,GPRSsolution:spreadtrumband:850/900/1800/1900FM radio:supportColor: black/blue/redMemory extended:Support T-flash card function:WAP,Audio recorder,MP3(AMR,WAV,etc.),MP4(3GP),U-disk,games,sound recorder,Calendar,Alarm,,world clock, ...