While the portable media player market might be dominated by the iPod and iPod touch, there are still plenty of choices when it comes to picking out devices from other companies. One such company would be Sony, which not too long ago revamped its Walkman brand with the introduction of Android-based portable media players.

Music lovers looking for a device with a thinner profile should check out the Sony Walkman E470 which is only 0.27 inches thick. It is now the World’s Thinnest Walkman / Portable media player. The Onboard E470 will have a 2.0-inch LCD display.

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There will be three storage options (4GB, 8GB and 16GB) Onboard features include karaoke mode and synchronized lyrics. Sony’s also included a few games including “Suduko,” “Tetris” and “Puyo Pop Fever” to bump up the multimedia content..

Sony also introduced its new F800 Series . The F800 will also be equipped with Sony’s S-Master MX Digital Amplifier and the five Clear Audio technologies that should deliver crisp highs and deep bass. The F800 will also be Bluetooth-compatible allowing it to connect to other Bluetooth-enabled devices such as speakers and headphones.

There are a number of preinstalled apps including a media gallery, email and apps. Users can download additional apps via Google Play.

The F800 and the E470 will go on sale in August, just in time for back to school shopping. The 16GB F800 will retail for $269.99 while the 32GB version will cost $299.99. The 4GB, 8GB and 16GB E470 will retail for $79.99, $89.99 and $109.99 respectively.

[Press Release | More details]