Sony's ICD-PX820 Digital Voice Recorder is a budget friendly way to immortalize your thoughts, meetings, and other voice quality audio. The PX820 has a 2GB builtin flash memory which can hold up to 535 hours (in LP mode) of data. Features like voice activated recording, dictation correction and an add function are all practical conveniences that help aid in the recording process. The ICD-PX820's recording is both PC and Mac compatible (Mac files must be edited on a Mac compatible software). The popular Dragon NaturallySpeaking software and the included Digital Voice Editor software are both compatible with your compatible Windows PC.