Samsung D820 70 MB Unlocked Cell Phone with MP3/Video Player, MicroSD--International Version with No Warranty (Black) This unlocked 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. Quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and GPRS/EDGE capabilities Slim slider phone; 1.3-megapixel digital camera with video capture; digital audio/video player; TV out Bluetooth stereo music; MicroSD memory expansion; organizer; access to personal email; document viewer Up to 4.3 hours of talk time, up to 130 hours (5.4 days) of standby time