Intelligent Voice Activated Recording:To avoid the invalid recordings, save recording capacity.When you turn on the ""Voice Operated Recording"",the recorder will sense the surrording sound automatically.When the sound reaches the certain standard,the recorder will record automatically,When the sound is lower than the certain standard,the recorder will be paused automatically.Note:It is not recommended to use the function in important situation!!!DSP Noise Reduction HD Recording:360 Surround sound recording with powerful dual HD sensitive microphones,which has automatic noise reduction function.Digital recorder adopts professional recording chip,which could reduce the background noise efficiently,supporting to 512Kbps/1536Kbps/3072Kbps audio recordings.Support loudspeaker/microphone playback.One-Button Recording: The Voice Recorder supports subsection recording;A-B repeat;Timing recorder; Fast-forward/Fast-backward.You could set different recorder scenes mode according the recorder environment.And monitor the recording sound quality with your earphones during recorder process.One click to set the favorite music.64G Long Standby:The 32G dictaphone could store recording files(WAV) to 512Kbps(134 h)/1536Kbps(68 h)/3072Kbps(22 h),which is enough to support your daily life and work needs.The Digital Voice Recoder is a perfect choice for your course record,and suitable for students, teachers, lecture, speeches, interview, group conversation, meetings and blogger.One Click to Delete:To avoid complex operation,the digital voice recorder set folder for music and recording,all files will be saved to the corresponding directory.You could scan and delete the files anytime.