BLU Zoey 2.4 T278 Unlocked GSM Dual-SIM Cell Phone - Black/Red This unlocked cell phone is compatible with GSM carriers like AT&amp;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 Quad-Band Dual SIM GSM cell phone compatible with850/900/1800/1900MHz frequencies. 2.4' TFT Display, 240 x 320 pixels; VGA Camera with flash LED; Bluetooth v3.0; FM Radio; MP3 Player and Video Player. MicroSD Card Slot up to 32GB, Internal memory 32MB and 24MB RAM; Battery Standby time up to 750hrs and 3.5mm Audio Jack.