iRiver offers in Russia the N15 portable audio player that looks exactly the same as its brother N20. The N15 is available in 2GB or 4GB capacities. It has a PMOLED display and supports MP3, WMA, WAV, APE and FLAC files. Compare to the N20, the N15 gives up the support for OGG files and offers 12 hours of battery life that is 3 hours less.