Display: 4.3 inch TFT touch screen resolution Solution: Centrality Atlas III 396MHZ RAM: 64M SDRAM & 64M NAND Flash O/S: Win CE NET 5.0 operating system Function: Navigator/Video/MP4/MP3/FM transmitter/Picture view/ E-book/Games Option Function(Extra cost): Blue tooth/ AV-IN Audio playing format: MP3/WMA/PCM Video playing format: MP4 / ASF / WMV/AVI / DIVX Picture support: JPG / BMP / GIF / PNG Support SD / MMC Card Power supply: Built-in 3.7V Li-battery, recharged by DC/5V or car kit Language support: Multiply Languages .