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.
Color screen is located above and scroll wheel showing 262k colors. Display screen measures 30 mm wide by 41 mm height. At the 3 megapixel VGA camera located on the right side of the forehead and is designed for photocalls.
You can listen to music with headphones included, through your headset and adapter using speakerphone mode or wirelessly via Bluetooth stereo headphones and A2DP. Video player will play MPEG-4, H.263 and WMV video and MP3 players support WMA, MP3, Amr, ADPCM, AAC +, and AAC.
2-MP camera has an LED light for the photo shoot still photos and video. Has 68 MB internal memory, or you can use microSD clot. You can also use the USB cable to transfer data, or you can buy a USB card reader.
Other listed features include melody composer, voice recorder, web browser, memo pad, to do list, Java games, calculator, alarm clock and calendar.
Battery life is estimated at 295 hours standby and 3.9 hours talk time.