The Samsung i900 Omnia is a high-end smartphone enabled for the 3G network. It is meant to be a phone/PDA combination, and it uses Windows Mobile 6.1 as an operating system, and has Office Mobile Suite for document viewing and editing. It has a large touch screen with stylus for data entry and navigation, and has a built-in accelerometer to autorotate the screen orientation. it also uses an optical trackpad and features handwriting recognition. Also included are an mp3 and video player, as well as a GPS receiver. It uses geotagging to automaticallly mark locations of photos taken, and the camera is 5.0 megapixels with autofocus and LED flash. It allows email synchronization, and has TV-out and Projector-out ports to display images or documents on other screens. Other features include a secondary video calling camera, Bluetooth connectivity, Wi-Fi and HTML browser.