Ultra portable PND (portable navigation device) GPS - Built-in FM transmitter transmits all sounds (including music video and GPS instructions) to your vehicle's stereo system (DX verified working) - Features rich multimedia features - 4.3" large vibrant color TFT touch screen LCD - 480 x 272 pixels wide screen resolution and aspect - Powered by Microsoft Windows CE 5.0 (English) operating system - CPU: Centrality Atlas-III 372MHz (super fast GPS response) - 64MB program memory - Features a 900mAh rechargeable lithium polymer battery - SiRF-III GPS tracks up to 12 satellites at the same time - Comes with a 4GB SD flash memory card - Manufacturer bundles iGo USA maps - Other Win CE compatible mapping software can be installed on to SD cards and get launched with the GPS device (shell/launcher allows specifying the location and executable name of your custom GPS program) - SD slot supports card up to 8GB in size - Doubles as MP3 player MP4 player eBook reader picture alumn browser etc - Features many Windows CE games - Playback formats: WMV9 MPEG4 Divx5.0 Xvid MPEG2 Wmv asf AVI MP4 JPG BMP GIF PNG (JPG images up to 1280 * 960 resolution) - Launcher (shell) languages: English French German Italian Spanish Portuguese Russian Polish Greek Danish Norwegian Dutch Hungarian Slovak Romanian Swedish Finnish Turkey Czech - Windows CE supports ActiveSync with desktop/laptop PCs - Included accessories: 4GB SD card with i-Go USA (manufacturer bundled) 100V~240V USB AC charger 2.5mm stereo earphones USB data sync and charging cable DC 12V~24V Car charger windshield mount and stylus - English user's guide included . - To use the included FM transmitter you must plug in an USB cable (any of the included USB cable). It acts as the FM antenna. - If FM transmitter doesn't work download this firmware update : Simply put the two files extracted from the RAR file in the root of your map SD card. Then power off (not sleep) your GPS and turn it back on. A blue upgrade screen should appear. After upgrading please remove the two upgrade files from the SD. Updated: From now on (2011-7-21) memory card will increase from 2 GB to 4 GB