Motorola W510 Unlocked Phone with Camera, Media Player, Stereo Bluetooth, and MicroSD Slot-U.S. Version with Warranty (Green) 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 plus GPRS/EDGE data capabilities 1.3-megapixel digital camera with video capture; MP3/video player; Bluetooth connectivity for handsfree devices and stereo music streaming CrystalTalk background noise reduction; MicroSD memory card slot; access to instant messaging Up to 7.5 hours of talk time and 350 hours of standby time