Tiny, Ultra-light MP3 Player, Removable USB Storage Drive, 8-Hr Voice Recorder – All in One! The NOMAD MuVo NX is the easiest to use, most compact and convenient digital music player and more. It requires no cables, software or drivers. Just plug it into any USB port, drag-and-drop MP3 or WMA music or any data files, and away you go. Plus it’s a handy dictation and note recorder with built-in microphone. Enjoy digital music playback, USB flash drive data transfer and voice recording, all in one remarkably tiny and convenient package.