Durable zinc alloy body with a black sandblasted finish, 5D glass surface, and a convenient lanyard hole. Key features include onekey recording, a control line delete function, and a LED playback indicator for quick status feedback. Long battery life and intuitive use 35 hours of continuous recording and 30 days in standby. Time stamping keeps records organized, and file names can be recalled by time. Playback supports MP3, WMA, and WAV formats with fast forward and rewind. recording and reliable storage PCM recording at 1536 Kbps for clear audio. Additional recording at 50db; automatic split recording and covering loop recording to manage storage efficiently. Automatically saves when power is off to prevent file loss. Security, scheduling, and versatility Automatic encryption protects recording data. Timed (scheduled) recording function for convenient setup. Functions as a recording pen that can store files and connect to a computer for viewing. 23 practical use scenarios Business meetings: capture discussions with timestamped files; encryption helps protect content; long battery life supports extended sessions. Lectures and interviews: discreet recording with reliable loop/save features; convenient playback in multiple formats. notes and file storage: use as a portable archive with PC connectivity for easy viewing and transfer.