Automatic File Saving: The Mini Digital Voice Recorder is designed for ease of use, ensuring that your recordings are never lost. When the system detects a low battery, it automatically saves your files before shutting down, providing peace of mind and data security. HD Noise Reduction: Equipped with advanced AI intelligent noise reduction technology, this voice-activated recorder excels in noisy environments. It effectively filters out ambient noise, enhancing the clarity of conversations and ensuring high-quality recordings every time. Easy Charging: Enjoy the convenience of versatile charging options with this mini digital voice recorder. It supports connection to a rechargeable battery, computer charger, or car USB port, allowing you to record while charging. Say goodbye to battery limitations and keep recording as long as you need. High Security: Designed with discretion in mind, this voice-activated recorder offers high security. It operates silently with no visible lights or sounds, making it ideal for confidential recordings in meetings or classes without drawing attention. Small and Compact: Crafted from lightweight and skin-friendly ABS material, this USB digital sound recorder offers a comfortable and portable experience. Its super small size allows it to fit easily into your purse or pocket, making it perfect for on-the-go recording in any setting.