Ultra Thin Gd910 - 1.5 Inch Unlocekd Watch Cell Phone (Quadband, Mp3 Mp4 Player, Waterproof) Screen: 1.5 inch touch screen, TFT LCD 256K colors, QVGA(240 x 320 pixels) Network :GSM 850 / 900 / 1800 / 1900 MHz Memory size: 393K. Card slot, support TF card expansion, the largest expansion to 2GB Support:Camera, FM,Mp3 Mp4 Player;USB,Bluetooth Product Size(mm):67 x 50 x 12mm