... /900/1800/1900(Tri-band 900/1800/1900 option)2, Windows mobile 6.13, WIFI 802.11b/g4, Bluetooth 2.05, FM6 ... , WAP, Handwritten input, Radio, Bluetooth, GPRS download, MMS, Memory extended, E-book, support for dual-tone multi-frequency, standard USB interface ... Basic featuresOperating Frequency: GSMNetwork Frequency: 850/900/1800/1900 (Tri-band 900/1800/1900 option)Talk time: 150-260 minutesStandby time ...