The Sony ICD-PX470 Stereo Digital Audio Recorder captures sounds and voices in superior clarity. This item features a built-in USB for easy file transfer and expandable memory to include every second. The voice recorder device can be used to keep track of meetings, lectures, interviews or to record notes for yourself for later. Enjoy up to 55 hours of battery life and adjustable microphone settings. The voice recorder with USB port makes a thoughtful gift for a college student or busy professional. This tool can help you be more organized and productive. The transcription playback mode helps the listener review recordings. The Sony ICD-PX470 Digital Audio Recorder’s memory can be expanded with a micro SD card.