Samsung D806 Unlocked Cell Phone with Camera, MP3/Video Player, MicroSD Slot--U.S. Version with 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 Super-thin slider phone; 1.3-megapixel digital camera with video capture; digital audio/video player Built-in speakerphone and Bluetooth for hands-free communication; MicroSD memory expansion; organizer; sync with PC Up to 5 hours digital talk time and 250 hours standby time