... 1G memory, maximum support built-in extension 4GHousing Material Metal Dimensions 63 * 50 * 17.5mm Weight 192 ... 20.mp3 player support mp3 format music player, support background play 21.Video playback supports 3GP, mp4, avi format ... ) GSM 850/1900 900/1800 2) MP3/MP4 Player 3)dual sim cards dual standby 4)Cool ... phone,3GP Video,2.0 MP camera,MP3,MP4,Support FM /bluetooth Sim Cards: Dual sim standbyTouch ...