Product Description: Portable Mini Audio Recording Device - U Disk Sound Recorder Black 4GB High-Quality Recording: Capture crystal-clear audio with ADPCM recording at 192Kbit. The device offers optional voice control recording at 50DB and features automatic split recording, ensuring seamless and efficient audio capture. Extended Recording and Standby Time: Enjoy up to 25 hours of continuous recording, perfect for long meetings or lectures. The device also boasts a 30-day standby time, making it reliable for extended periods without frequent recharging. It supports WAV format recording for high-quality sound. Efficient File Management: Each recording is automatically timestamped, with file names generated based on the time of recording. This feature simplifies file organization, making it easy to locate and manage your audio files. Compact and User-Friendly: Designed for convenience, this small-sized recorder offers one-button operation, allowing you to start and stop recordings effortlessly. Its compact design makes it easy to carry and use in any setting. Versatile Options: Choose from four different types to suit your specific needs. Whether for personal, professional, or educational use, this device offers flexibility and adaptability to meet various recording requirements. The Portable Mini Audio Recording Device is an ideal choice for anyone needing a reliable and easy-to-use recording solution. Its combination of high-quality audio, long recording time, and user-friendly design makes it perfect for capturing important conversations, lectures, and meetings with ease and precision.