Cowon IAudio M3 Manual Online: Using Ac Power Adapter /usb Connection. 10 Using AC Portable Multimedia Player Cowon iAUDIO CW User Manual. iAUDIO M3 is a ultra-slim 20 GB MP3 jukebox with FM Radio, Docking iAUDIO M3 shows the simple and elegant design carried on the traditional design of COWON SYSTEMS. Also, user can search file through Navigation function while playing. Jet Audio: Once you get use to it, you'll never use Media Player again. Cowon M3 review. Specs. Reviews 0. Write a Review. Reviews / Portable media players . Cowon shipping iAudio 10 PMP tomorrow: $ and up.