Long recording time and standby 35 hours of continuous recording and 30 days in standby Time stamped recordings with file names recalled by time for easy organization Playback formats and controls Supports MP3, WMA, and WAV playback Fast forward and rewind playback for quick review Security and scheduling Automatic encryption to protect recorded data from theft Timing (scheduled) recording function for convenient timebased capture Functions as a recording pen with file storage and capability to connect to a computer for viewing Recording quality and reliability PCM recording at 1536 Kbps Additional recording at 50 db Automatic split recording and loop recording to manage space Automatically saves when power is off, preventing loss of files Construction and ease of use Zinc alloy body with black sandblasting and 5D glass for end appearance Lanyard hole for portable carrying Onekey recording for quick capture Control line delete function LED playback indicator to show status Practical applications Business meetings or interviews requiring timestamped, securely stored audio Lectures, seminars, or classrooms needing longduration, reliable recording Fieldwork or onsite data collection with easy file transfer to a computer for viewing and storage