BLU Q41-BLUE Charleston Unlocked Dual SIM Quad-Band GSM Phone with QWERTY Keypad, Video Recorder and MicroSD Card Slot - US Warranty - Blue This Unlocked Dual SIM Cell Phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Unlocked Dual SIM Quad-Band GSM cell phone compatible with 850 / 900 / 1800 / 1900 MHz (Both SIMs) plus GPRS/WAP data capabilities. Dual SIM Support with Dual SIM Standby; 1.3MP Camera, 640 x 480 pixels; Video Recorder; QWERTY Keyboard; Music and Video Player; Stereo FM Player; MP3 Ringtones; SMS Messaging and Games. 1.77-Inch TFT Display, 160 x 128 pixels; MicroSD Card Slot, up to 4 GB; Internal Memory 16 MB + 32 MB; Alarm and Calculator; Menu Languages: English, Spanish and Portuguese. Talk time up to 3 hrs 30 min - Stand-by up to 180 hrs.