LG CU400 is a 3G capable(850/1900 MHz), quad-band phone, with a clamshell design, available only to Cingular customers in the US and is intended to be both a functional and a fun mobile phone.

While the quad-band GSM will work worldwide, its 3G will work in the US only. The handheld's internal LCD has a resolution of 176 x 220 pixels and 65k colors, while the external display is monochrome with a resolution of 96 x 64 pixels. Measuring 85 mm x 48mm x 23 mm and weighing only 93 grams, LG CU400 features an integrated VGA camera with 4x digital zoom that can capture QVGA video, a variety of multimedia players as well as Bluetooth 1.2, mobile e-mail, instant messaging and Push to Talk. The following Bluetooth profiles are supported: headset, hands-free, dial-up networking, general access, serial port, generic object exchange, object push and file transfer. LG claims a standby time of up to 12 days and 12 hours and a talk time of 5 hours.

The price for this handheld is not yet known, but will probably be announced soon.