Portable and Durable Recorder: The digital voice recorder features a sleek titanium alloy casing, making it not only stylish but also highly durable. Its keychain design allows for easy attachment to key rings, belt loops, bags, or convenient pocket storage. Perfect for on-the-go recording in lectures, classes, meetings, interviews, and more.Clear HD Sound Quality: Experience high-definition sound quality and intelligent dynamic noise reduction with the sound recorder. Enjoy complete and clear recordings with easy playback, free from worries about background noise. Simply plug in the headphones and use the + buttons for smooth playback.One-Button Recording & Voice Activation: With a simple slide of the button, switch the digital recorder ON to enter recording mode and OFF to save the recording and power off. Activate the voice activation function by pressing and holding the volume "-" key while powering on. Recordings are saved in WAV format with identifiable time date stamps in the file names.64GB Storage and Long Battery Life: The Metal Recorder boasts an impressive 64GB memory capacity, capable of storing up to 750 hours of recording files. Enjoy up to 20-24 hours of continuous recording with just a 2-hour full charge. Experience the convenience of a short charging time and long recording time.