The dvt4110 voicetracer audio recorder from philips is a portable, digital voice recorder designed to provide flexible, high-quality audio recording options, and plug-and-play computer integration for interviews, presentations, classes, and more. It features three specialized high-fidelity microphones and automatic adjustment of settings for audio recording quality. Features three-mic stereo microphone system record in wav (pcm) or mp3 formats internal 8gb memory and microsd support voice- or timer-activated recording