4GB Internal Flash Memory, Requires 2 AAA Batteries microSD Expansion Memory Slot, Records Mono MP3s Intelligent Noise Cut, A-B Repeat Function Track Mark Function, USB Cable to Transfer Files to Mac/PC System Requirements: Windows XP (SP3), Vista (SP2), 7, 8 Mac OS X 10.3.9 to 10.8 Recording is easy with the PC compatible ICD-PX333 digital voice recorder. With Voice Operated Recording, it starts and stops automatically with your voice. Over 1000 hours of recording time plus Micro SD expansion slot for more time, youll never miss a class or those random thoughts or ideas.
I bought this for my daughter who's taking Organic Chemistry from a professor whose lectures ramble all over the place. She records his lectures then listens to it again where she can rewind, take detailed notes, and really sort it out. She LOVES it and so do her classmates who have asked that she send them the digital audio file as well. She can save it on her computer, burn it to a CD, listen to it in her car. Perfect for learning a tough subject! The device work..