[HD recording]-The digital recorder uses dual sensitive dynamic noise reduction microphones, which can effectively reduce background noise and help you record high-definition stereo recording files.[Multi-function]-This recorder can not only be used to record various important audio files, but also can be used as an MP3 player, U disk, and you can use it to store and play your favorite music and record. Of course, you can also upload files to PC/MAC through the equipped USB data cable.[Easy to use]-One-key recording. You only need to turn on the recorder, then press the "REC" button to start recording, press the "STOP" button to save the recording, and press the "PLAY/PAUSE" button to play or pause. The A-B repeat function will not let you miss any important information.[USB charging & compact and portable]-This mini voice recorder is very light and portable, you can put it in your pocket or wallet. Built-in 230 mAh lithium battery, up to 20 hours of recording and 8 hours of playback, dont worry about missing the main content.[Wide use]-The external microphone of the digital voice recorder can be used in meetings, interviews, interviews, classrooms and other occasions. It is an ideal gift for students, teachers, professors, scholars, writers and businessmen.