Mobile audio maker Rio is set to take on Apple's iPod mini with a device that weighs less and offers more capacity and longer battery...

In the world of portable music players, the spotlight has lately been on Apple Computer Inc.'s top-selling iPod, but Rio Audio, the MP3 player pioneer,...

Rio Japan announced the availability of the new "Karma" portable audio player in the Japanese market. The player is equipped with an 20GB hard disk...