Sony Ericsson W760i Unlocked Cell Phone with 3.2 MP Camera, MP3/Video Player, M2 Memory Slot-U.S. Version with No Warranty (Rocky Silver) 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 US/International 3G compatibility via 850/1900/2100 UMTS/HSDPA plus GPRS/EDGE capabilities Slider style phone with dedicated Walkman controls and FM radio; MP3/AAC compatibility; Bluetooth stereo music streaming 3.2-megapixel camera/camcorder; Bluetooth music streaming; Memory Stick Micro (M2) expansion to 4 GB Up to 9 hours of digital talk time and 400 hours of standby time