Features:It is made of a zinc alloy monobloc housing that is drop resistant. The name of the log file is automatically named according to the date. By setting the time, it is automatically turned on and recorded regularly. It has encryption function to protect its own data. Low power consumption automatically detects the battery and automatically saves the record file. Using professional recording chip, noise reduction recording, 24 menu languages, including Simplified Chinese, Traditional Chinese and English. The automatic gain function automatically adjusts the noise of the sound source. Record real-time monitoring and hearing aids. A digital product that integrates recording pen, MP3, and mobile hard disk. Support loop function, A-B segment repeat function and other playback functions. Record remaining time query function. Direct sound from built-in hi-fi speakers. No eye damage, LED backlight. VOR voice recording function. One-click recording operationBuilt-in lithium battery, rechargeable.Packing List: 1 x Host1 x User Manual1 x USB cable1x Box