1. Strong Magnetic Attraction: The digital voice recorder has a built-in strong magnet with excellent magnetic attraction, freeing your hands for convenient use. 2. Extended Battery Life: The recorder can record continuously for 500 hours, with 365 days of standby time and large storage capacity (up to 90 hours of recording). 3. Supports Multiple Formats: The portable voice recorder not only allows real-time playback, but also supports MP3, WMA, and WAV formats, with fast forward and rewind functions. 4. Built-in Time Chip: The MP3 voice recorder has a built-in time chip with automatic time synchronization, and recordings are named by time. 5. One-Button Recording: The smart voice recorder features a one-button recording design, supports headphone cable control, and includes a delete function and LED indicator. 6. Sound Control: Supports 192Kbit ADPCM recording, selectable 50dB voice-activated recording, automatic segmented recording, and loop recording.