Zinc alloy body with black sandblasting finish and 5D glass, a appearance, and a lanyard hole for versatile carrying. Key features Onekey recording for quick capture, with control line delete function and LED light playback indication. Built for audio with PCM recording at 1536Kbps; additional recording at 50db; automatic split recording and covering loop recording. Auto save on power off to ensure no loss of files. Security and data protection Automatic encryption function protects recording data and stored files from theft or unauthorized access. Timing and convenience Timing recording function for scheduled recording, making capture more convenient and precise. General use and storage This is a recording pen that can also be used as file storage and connected to a computer for viewing and management. Performance and playback Long operation: up to 35 hours of continuous recording and 30 days in standby. Timestamped files for easy recall by time. Playback supports MP3, WMA, and WAV formats with fast forward and rewind. Use scenarios Business meetings and interviews: discreet, capacity recording with encrypted storage and a durable zinc alloy body for daily use. Lectures and seminars: long recording sessions with automatic split and loop recording; timestamped files for easy organization. Field work and data backup: use as a portable storage device and connect to a computer for quick access and review of recorded content.