As recently reported, Sony Ericsson has unveiled its new Walkman branded mobile phone. The W800 Walkman handset features a high quality digital music player with up to 30 hours battery life, and a 2-megapixel camera.

Sony Ericsson also unveiled its K750 2-megapixel cameraphone with features including autofocus, 4x digital zoom, red eye reduction and an intuitive user interface. The device is capable of sharing images through a number of means, including Memory Stick Duo, Bluetooth, infrared and USB cable.

The company has also released its J300 "fun phone" with a 3D gaming engine available in the second quarter of this year, and the K300 cameraphone. This features a 65K colour screen and 12MB onboard memory.

Meanwhile rival Nokia have been busy too. They unveiled several new phones recently. The 6230i has a 1.3 megapixel camera, and is capable of recording up to one hour of video on a removable MMC and has a high resolution 208x208 pixels display. Meanwhile, the Nokia 6021 is described as an affordable business-oriented phone and includes push-to-talk technology, and voice activated dialling. It includes both Bluetooth and infra-red. There is also the Nokia 6030 which is, well, pretty basic.