In the LG U400 is one of the few mobile phones that is equipped with a scroll wheel. Scroll wheel allows you to move easily MP3s, contacts, and the rest of the menu. In LG U400 not only has 3G video calling. He also has a 512 MB microSD expansion slot, 2-MP camera, stereo speakers and Bluetooth capability.

In the case appears to be a chocolate-phone, but is chunkier and 48 millimeters of width and height 100 millimeters by 20 millimeters thick. In the LG U400 is less smooth appearance and glowing red lights chocolate. In the LG U400 is the target market for MP3 players, with more features aimed at music players phone conversationalists.

Scroll wheel allows you to navigate through the tracks and through the menu the same way you would iPod, only with a mechanical wheel. Or, you can use it as a four-way navigation rocker. For more go two wheels are soft keys and scroll down menu wheel is a button leading to a round of LG U400 menu. The right to go to find disaffirm wheel / lock key, and send and end call keys.

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