Feature: 1. Noise Reduction: Voice activated recorder uses an eight core Al intelligent professional noise reduction chip to solve the problem of weak sound, improve recording stability, and clearly restore the real sound. 2. Space Saving: Mini voice recorder automatically records when there is sound, saving storage space as much as possible and saving time for playing and filtering useless content. 3. One Key Operation: Voice activated recorder one key power on and off, one key recording easy to operate, to prevent misuse do not miss the critical moment of the recording opportunity. 4. Speed Settings: Mini voice recorder allows you to set multi level speed changes for quick memory during file analysis and learning when playing back recordings or studying. 5. Segmentation Function: Voice activated recorder has a segmentation function that automatically segments the recorded files according to the recording time and stores them as one file every 5 hours. Specification: Item Type: Voice Activated Recorder Material: Zinc Alloy Recording Format: WAV MP3 Music Format: MP3 WMA OGG APE FLAC Built In Polymer Lithium Battery: 190mAh Resolution: LCM 64 x 96. Package List: 1 x Voice Activated Recorder1 x Instruction Manual1 x Charging Cable1 x Headphone