Recording duration segmentation: Recording can be saved in segments with adjustable time divisions from 30 to 300 minutes, allowing you to tailor file sizes and playback. 1536 kbps definition lossless recording: Delivers definition lossless audio for clear, faithful recordings of classroom lectures, training speeches, and conference records. Oneclick start recording: Quick startup with a single button, no need to power on first, enabling faster, more convenient recording. Multifunction device: Functions as a USB drive, recording pen, MP3 player, Ebook reader, speaker, and picture viewer in one compact unit. Use scenario: In classrooms or training sessions, use segmented saving to capture lectures or talks and easily organize playback and review. Use scenario: At conferences or seminars, record speeches and proceedings with definition audio for accurate reference and documentation. Use scenario: While traveling or commuting, use it as a portable multimedia tool to store files on USB, listen to music, read ebooks, and view photos.