In addition to a full complement of image recording functions, the EX-M20 also can be used as an audio player for playback of MP3 audio files. You can get approximately seven and a half hours of playback on a full charge. * MP3 audio file data cannot be played back through the built-in speaker. * The camera does not come with software for creating MP3 files. You need MP3 conversion software to convert music to MP3 file data. You can record approximately two hours and 50 minutes of voice on a full charge. The monitor screen shows at a glance how much recording time you have left. * Depending on the amount of voice recording you want to perform, you may need an SD memory card or MMC card. You can record up to 30 seconds of audio to go with a digital snapshot. You can record the audio immediately after you record an image, or any time afterwards. Playback can be performed over a pair of stylish LCD remote control headphones. Controllers on the earphones unit give you control over playback, rewind, fast forward, and other operations. * Use the Ø 3.5mm stereo jack to connect the bundled remote control unit. The EX-M20 lets you record movies, each up to 60 seconds long, which include both images and audio. Audio capabilities help to make movies more exciting and real. * EX-M20U marketed in North America do not include the Movie Mode.