Samsung B2100 Xplorer Anti-Shock Waterproof Unlocked GSM Phone with Camera, Bluetooth, FM Radio and Micro SD Memory Card Slot--International Version with No US Warranty (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 Unlocked Quad-Band Phone GSM 850/900/1800/1900 with GPRS and EDGE capabilities Waterproof and shock resistant; stylishly rugged design; outdoor-friendly features; Flashlight and Noise cancellation. Bluetooth; FM radio; 1.3 Megapixel Camera; Video Player and Recording; MP3 player and MicroSD card slot. Talk time Up to 9 hs, Stand-by time Up to 600 hs. 1.3 Megapixel Camera microSD Shock, water and dust resistant Anti-shock materials (urethane) Noise cancellation with dedicated microphone This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.