Voice Activated Recording: The device offers intelligent voiceactivated recording with seven levels of voice decibels. The feature is off by default and must be enabled. When sound above 25 dB is detected, it starts recording automatically; when there is no sound, it stops recording and saves the files. Recording: Builtin upgraded noisecanceling microphones and a professional recording chip provide clear recording. It can capture distant sounds clearly and supports 360degree recording so you won't miss important audio from any direction. Speaker Instant Playback: Builtin HD speakers let you play recordings or music without headphones. You can switch audio, play and pause, adjust volume, and more. You can import your favorite music, turning the device into a standalone music player that can be played directly or with headphones. Recording Device and USB Drive: This digital voice recorder is not only a voice activated recorder but also an MP3 music player. You can import your favorite music and listen via speakers or headphones. In addition, the recorder can function as a USB flash drive to store and backup files, so you can take your files with you. Use scenarios: Classrooms and meetings: Use VOX to automatically record lectures or discussions. The 360degree recording helps capture multiple speakers clearly, with automatic stop and save when quiet. Field interviews and research: Record conversations and notes in the field without missing distant voices, then review directly on the builtin speakers or export as needed. Travel and daily use: Load your favorite music, enjoy it from the builtin speakers, and use the device as a USB drive for quick file transfer and backup.