Network system GSM/900/GSM1800 GSM two-band Voice encoding(CODEC) Weight(g) 72 Grams Dimensions 1.4 inch Display (L譝) Color graphic 29.53?4.47 Backlight white light Resolution 4096 Ring tones 32 Melody Antenna Inside Standby time(hrs) 75 HRS Talk time(hrs) 4.5 HRS Standard battery Lithium 700mAH