The XPERIA X1 is first Sony Ericsson slider with Windows Mobile 6.1 OS. The phone features 3.2 megapixel camera, Bluetooth stereo (A2DP), 3″ 65k color TFT with 800 X 480 pixels, Media player, 3D games, FM radio and Java. For typing the handset provides an QWERTY keyboard, for storing up to 400 MB of phone memory. The XPERIA X1 also comes with aGPS function and Wi-Fi support.

sources PhoneDog , Phone Arena , Cellulare Magazine