The upgraded digital voice recorder features dual noise cancelling microphones and a professional recording chip to capture crystal clear audio for lectures, interviews, appointments and meetings. Its compact size fits easily in a pocket for everyday use. One button recording and easy operation Onekey operation starts and saves recordings to prevent missing important information. When you plug in earphones, playback starts automatically. Smart battery detection saves the current recording automatically when the battery runs out. Recordings include a time stamp for easy file management and quick file retrieval. Portable and multi purpose The device includes a clip to attach to clothing, keeping it secure and ready for use. It can be used as a dictation machine, a music player and as a 16GB USB drive. A practical device for work, study and daily use. Large storage and quick transfer Built in 16GB storage can hold up to about 4000 songs or 150 hours of recordings. Compatible with Windows and Mac; transfer files to a computer via the supplied USB cable. Mac users may need to download the VLC audio player to play the recording files. Use scenarios In classrooms or lectures to capture full content for later review. During interviews or meetings to document conversations with time stamped files. As a portable dictation tool, a simple music player, or a convenient USB drive for on the go.