64GB Digital Recorder & Compact Size: The keychain voice recorder comes with 64GB memory, providing ample space for over 24 hours of continuous recording and up to 750 hours of recorded files. It also functions as a professional MP3 player and USB drive. The 64GB portable voice recorder features a unique design that does not resemble a traditional audio recorder. HQ Recording & Triple Noise Reduction: The audio recorder is equipped with high-quality microphones and intelligent dynamic noise reduction. It features PCM digital recording and triple noise reduction technology for clear, noise-free audio. The 360-degree panoramic recording captures full, natural sound, delivering crisp recordings and playback. One-Key Operation & Time Stamp: Slide the switch to ON/Rec to begin recording after approximately 5 seconds, then toggle to OFF/Save to stop and save the file. Each recording is automatically labeled with a timestamp, allowing for easy file organization and quick retrieval on a computer. Note: Connection to a computer is required for file management. Voice Activated Mode: When the voice activation function is enabled, the recorder automatically starts recording upon detecting sound. Seven sensitivity levels can be adjusted to minimize silent or low-volume recordings, helping conserve battery and memory space. Note: Voice activation is disabled by default. Please refer to the manual to enable this feature if needed. Great Gift & Perfect Customer Service: Ideal for memos, lectures, meetings, interviews, and more. A thoughtful gift for teachers, students, lawyers, writers, and professionals.