PCM recording up to 1536 Kbps with automatic split and loop recording. Records securely and automatically saves when power is lost, ensuring no data loss. Long recording capacity and standby time: up to 35 hours of continuous recording and up to 30 days in standby. Timestamped files are named by the recording time for easy retrieval. Supports MP3, WMA, and WAV playback with fast forward and rewind. Automatic encryption and timed recording: recording data can be encrypted and stored to protect against theft and unauthorized use. Timed (scheduled) recording for convenient, quick control. Operates as a recording pen with file storage and easy connection to a computer for viewing. Build and design: zinc alloy body with a black sandblasted finish and 5D glass, offering a end appearance. Includes a lanyard hole for portability. Onekey recording, a control line delete function, and LED playback indicator for user feedback. Use scenarios: Business meetings and conferences: discreet, timestamped recordings with secure storage and easy PC transfer. Lectures and seminars: longduration recording with reliable autosave and convenient playback controls. Field work and interviews: encrypted storage protects sensitive recordings, while the compact pen form factor fits in a pocket or notebook.