Sony Ericsson W595 Walkman Unlocked Phone with 3.2 MP Camera-U.S. Version with Warranty (White) 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. Unlocked quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and GPRS/EDGE data capabilities Slider phone with Walkman media player, one-touch music shuffle, dedicated music control keys, built-in stereo speakers 3.2-megapixel camera with video capture; Memory Stick Micro expansion (up to 2 GB); Bluetooth stereo music streaming; FM radio with RDS Up to 9 hours of talk time, up to 380 hours (15.8 days) of standby time