Introduced at the Mobile World Congress in 2008, the Ericsson Xperia X1 is a high-end GSM Sony smartphone manufactured by HTC. Featuring a 3" WVGA touchscreen, a slide out QWERTY keyboard, a 3.2MP camera, an FM radio, A-GPS capabilities, WiFi, Bluetooth, 512MB of internal storage and a micro SD storage expansion slot, the device is Sony's first phone to run Windows Mobile. It comes with Opera Mobile pre-installed, and includes advanced features such as push email, an RSS feed reader, and handwriting recognition. Initially released in October of the same year, the Xperia X1 was offered unlocked a month later for $799. It is available in black or silver.