The Samsung G400 is a high-end 3G flip phone. It features two displays of identical 2.22"-diagonal size on the interior and exterior of the flap, and the external display is a touch screen that allows navigation of music, messages and multimedia without having to open the phone. It has a 5.0-megapixel digital camera with autofocus, face recognition, image stabilization and LED flash, and a secondary quarter-VGA camera for videocalling. It come with high-speed NetFront 3.4 browsing and tracks RSS feeds, and includes an mp3 and video player. Internal memory is 120MB, with included microSD card slot to expand up to 4GB. Expected battery life is up to 3.5 hours of talk time.