Easy to operateTurn on the recorder and record with one click. Press "REC" to start recording, press "STOP" to end recording, press "PLAY" to listen to what you just recorded, and press A-B to select the important part to repeat. Built-in powerful speaker, easy to play, support external speaker playback, let you enjoy excellent recording quality.Clear Voice RecordingHigh-quality noise reduction recording, you will get super clear recording, sensitive microphone helps you capture the speaker's words in interviews, lectures, meetings.Voice-activated recordingAutomatic noise reduction function, start recording or turn to standby when sound is detected, save recording time and reduce power consumption.MP3 player functionThis recorder can be used as an MP3/music player, you can enjoy music after tiring study, meetings, etc. It can also be used as a detachable data storage device. You can carry your favorite pictures and documents with you wherever and whenever. Just cut and paste or drag and drop files to or from the player via USB connection, and the player will appear as a removable drive in Windows.High Quality and Long TimeUses DSP noise reduction technology to filter out environmental noise, with high-quality recording1536kbpscan restore the real scene. It can continuously record for more than 30 hours and play for 7 hours.