... Operation System: Android 2.2 System ·Quadband GSM 850/900/1800/1900 Mhz WCDMA 3G Support ... Sound Recorder, Voice Dialer . . Support ThinkFree Mobile, Wireless Keyboard, Messenger,eBuddy,Facebook,Twitter,Angry Birds,Google Maps,Gtalk ... 115*63*11.5 mm Weight 106g (1 phone+1 battery) Color Reb/Black/White Standby ... Time About 240-300 Hours Talking Time About 3-4Hours Language ...