🎤 Record, Relive, Repeat! Enjoy up to 57 hours of uninterrupted recording time. Compact and lightweight, perfect for on-the-go professionals. Record MP3 audio effortlessly with high-quality clarity. Includes everything you need to start recording right away. Transfer files to your PC in a flash with the built-in USB. MP3 Audio Recording 57 Hours Battery Life Built-in USB Connection The Sony ICD-PX370 Mono Digital Voice Recorder is your ultimate audio companion, featuring up to 57 hours of battery life, a built-in USB for easy file transfers, and a user-friendly design that makes capturing high-quality MP3 audio a breeze.