GUSEN GS9000 Network frequency : |900/1800MHz| Home screen parameter :0.26 mega TFT screen ,resolution:240×320pix Inner 1.3 mega CMOS camera lens Cell mode :GSM dual standby /GPRS Optional color :black , Video play :support MP4 format MP3 function :support AMR,MP3 format According to the function we export :16:9 Extra-clear handwriting touch control wide screen,Handwriting screen,Extra-long time standby ,Wide screen mobile phone,PDA,Dual sim card dual standby,Dual mode mobile phone,Stock mobile phone,Cartoon mobile phone,Eldership mobile phone, Game mobile phone,Music mobile phone,CDMA mobile phone,Business mobile phone,Camera mobile phone,Smart mobile phone,Dual sim card single standby,Lady mobile phone,GPS mobile phone,and TV mobile phone. contact by e-mail/msn szwinstar-2 at live dot cn webside www dot szwinstar dot net