Sony Ericsson W850i Unlocked Cell Phone with 2 MP Camera, 3G, MP3/Video Player, Memory Stick Pro Duo Slot-International Version with No Warranty (Precious 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. Tri-band GSM cell phone compatible with 900/1800/1900 frequencies and International 3G compatibility via 2100 UMTS plus GPRS capabilities Dedicated Walkman audio player with controls on front of slider phone 2-megapixel digital camera/camcorder with 4x digital zoom; Memory Stick Pro Duo; Bluetooth stereo music streaming Up to 7 hours of talk time, up to 350 hours of standby time