Samsung GT-S5830 Unlocked Phone with Wi-Fi, 5 MP Camera, Document Editor and FM stereo - US Warranty - White GSM 850/900/1800/1900, HSDPA 900/2100 TFT capacitive touchscreen, 320 x 480 pixels, 3.5 inches Wi-Fi, Bluetooth with A2DP, GPS Android OS, v2.2 (Froyo), 800 MHz ARM 11 processor, Adreno 200 GPU Talk time: Up to 11 h (2G)/Up to 6 h 30 min (3G). Stand-by: Up to 640 h (2G)/Up to 420 h (3G)