Japan\u2019s Kenwood will soon begin selling what it claims is the smallest portable music player based on a hard-disk drive.The HD10GB7 "Media Keg" contains a 10GB hard-disk drive, measures just 44 by 62 by 17 millimeters and weighs 78 grams. It has a 1.5-inch organic light emitting diode display on its front with a small keypad positioned directly under the display.It plays MP3, WAV and Windows Media audio files, including those with Windows Media DRM10 digital rights management. That means it can play tracks purchased on many Internet music stores.Battery life for the player is 24 hours for MP3 files and 20 hours for Windows Media files, according to Kenwood. It can also display JPEG images, and the user interface can be switched\u00a0among Japanese, English, French, Italian, German, Dutch and Spanish.It will go on sale in Japan in early December for about 40,000 yen (US$344). Kenwood didn\u2019t announce plans to put it on sale outside Japan.-Martyn Williams, IDG News Service (Tokyo Bureau)Related Links:\n\nMicrosoft Zune: iPod Rival or Just Another MP3 Player?\n\nApple iPod Hits\u00a05 Years OldCheck out our CIO News Alerts and Tech Informer pages for more updated news coverage.