Sony Ericsson today kick-started its entry into the mobile music market with the announcement of the W800, the first Walkman® branded mobile phone. It will now be possible to listen to music, handle phone calls and take great pictures and video, all with one device and with no compromise on quality. The Sony Ericsson W800 is the first product to combine a mobile phone, a high quality digital music player with up to 30 hours’ battery life, and a 2 Megapixel camera. All of this is packaged in a slim, lightweight device with ultra-stylish design.