1.8520 wifi cell phone 2.Dual SIM dual standby 3.quad-band, ... e-mail msn 4.light-sensing Navigation Key wifi cell phone 8520Main SpecificationOperating Frequency GSM850/900/1800/1900MhzTVYESMemory Functionscan support ... key on the keypadUSB 2.0, Micro USB 5 pin jack,USB charger,support PC synchronous, 3.5mm earphone jakeShaker, ... ,calculator,schedule,calling head portrait,time etc. wifi cell phone 8520