1Abs Material And HD Screen: The digital recorder is made of ABS material. And the use of high definition screen, easy to operate at night, clearly visible. 2Professional Voice Recorder And One Key Recording: Professional recording in MP3 format, one key recording. Condenser microphone recording, reproduce the original sound recording. 3Intelligent Noise Reduction: Built in high end professional recording audio processing program. Intelligent noise reduction can effectively filter the noise part of the sound source. 4Play Format And Voice Activated Recording: Supports MP3 WAV audio file playback in multiple formats. And it supports intelligent voice activated recording, which is convenient to use. 5Auto Save: The recording function is automatically turned off, and the file is saved in low power. Effectively save storage space and reduce blank useless files.