Nokia E61 Unlocked Smartphone with International 3G, Wi-Fi, MP3/Video Player, MiniSD Slot--U.S. Version with Warranty (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 International 3G compatibility via 2100 UMTS plus GPRS/EDGE capabilities Full QWERTY keyboard and 2.9-inch LCD screen; Wi-Fi networking (802.11b/g) 64 MB internal memory; MiniSD expansion; Bluetooth for handsfree devices; digital media player; access to email with document viewer Up to 7 hours of digital talk time and 260 hours of standby