BLU Tank II T193 Unlocked GSM Dual-SIM Cell Phone w/ Camera and 1900 mAh Big Battery - Unlocked Cell Phones - Retail Packaging - Black Yellow GSM Quad band 2G (850/900/1800/1900): compatibility Nationwide on 2G carriers like Straight Talk, Simple Mobile, or any other carrier that accepts a 2G ONLY GSM Sim Card. Will NOT work with 3G only providers - NO ATT, NO T-Mobile, NO CDMA Carriers (Verizon, Sprint, Boost, PagePlus) 2.4" TFT Screen Display; VGA Camera (640 x 480 pixels) w/ LED Flash + Video MediaTek Processor, 1900 mAh Big Battery, FM Radio, MP3/ MP4 Player, Bluetooth: v3.0 3.5mm Audio Jack + microSD Slot Expandable up to 32GB