OCTENN T24 Design: Classic; DualSIM mode: yes; SIM cards standard: Mini Sim - Regular / Mini Sim - Regular; GSM: 900 1800; Display: TFTColor 320x240px (2.4") 167ppi; Touch screen: no; Time GSM (talk/stand-by): 9 / 500 hrs. (20.8d); Battery: Li-Ion 2500 ...