LOGITECH International, the world's largest maker of computer mice, said second-quarter profit rose 39 per cent on demand for cordless products and headphones designed for Apple Computer's iPod music player.

Net income rose to $US36.2 million ($48.2 million) in the September quarter from $US26 million a year earlier, the company said.

Read more on how Logitech's revenues increased because of iPod headphones sales at http://australianit.news.com.au/articles/0,7204,17019494%5E15327%5E%5Enbv%5E15306-15321,00.html.