BLU T130 Deejay Lite Unlocked Dual SIM Quad-Band GSM Phone with MP3 Player, Organizer and MicroSD Slot - US Warranty - Green 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 frequencies for both SIM Slots. Dual Sim Card Slot; Stereo FM radio; MP3 player; 3.5mm Audio Jack; Flashlight and MicroSD slot upgradeable up to 8GB. 1.8" LCD Display; Predictive text input and MP3 Ringtones. Talk time up to 3 to 4 hrs - Stand-by up to 160-200 hrs.