BLU T410 Bar Q Unlocked Dual-SIM Quad-Band GSM Phone with Camera 1.3MP, Bluetooth and MP3 Player - 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 frequencies for both SIM Slots. Dual Sim Card Slot; 1.3Mp Camera, 1280 x 1024 pixels; Stereo FM Radio; 3.5mm Audio Jack; Flashlight and MicroSD slot upgradeable up to 8GB. 1.77" TFT Display; WAP 2.0/xHTML Browser; Games; Internal Memory 64 MB ROM, 32 MB RAM; MP3/Video player and MP3 Ringtones. Talk time up to 4 hrs - Stand-by up to 300 hrs.