Samsung SGH-Z728 Internal memory: 20 MB; Primary display: TFT 2.1" 256K colors; Secondary display: No; Memory Card: MicroSD,; Primary camera: 3 MP 2048 x 1536 pixels; Secondary camera: 0.3 MP 640 x 480 pixels; Headphone: No; Stand by: Up to 140 h; Talk time: Up to 2 ...