Cyber-shot or Walkman ?
1. SE K850
2. SE W960
SE K850: http://www.gsmarena.com/sony_ericsson_k850-2003.php
SE W960: http://www.gsmarena.com/sony_ericsson_w960-2008.php

1. SE K850
2. SE W960
SE K850: http://www.gsmarena.com/sony_ericsson_k850-2003.php
SE W960: http://www.gsmarena.com/sony_ericsson_w960-2008.php