... extended Data Transfer: USB data cable / U disk function, Bluetooth stereo player Image formats: jpg, gif The basic functions ... SMS, mass, sound recording function, WAP function, handwritten input, Bluetooth, GPRS download, MMS MMS, memory expansion, calls firewall, charming ... parameters applicable to the network: GSM Application of frequency: 900/1800MHz Talk time :140-280 minutes Standby time :140 ...