MicroSD cards were specifically designed for the ever-evolving mobile technology market. Approximately the size of a fingernail, the microSD card is a significant advance in technology and its size and capacity are a major reason why the H1 is able to deliver so much recording technology in such a small package. With its Hi-Speed USB 2.0 port, the H1 allows for fast transfer of your audio files to your computer. Listen, edit and share with your fans on your Mac or PC. It also includes a reference speaker to ensure your recordings are being captured as you desire. With stereo recording so precise and so easy, musicians will love the H1. An indispensible part of any serious musician's arsenal, the H1 makes recording rehearsals and practice sessions easier than ever. And the best part is, because your performance is captured with crystal clear audio, you can really critique your own playing, and get better... Isn't it time you heard your masterpieces in beautiful stereo that rivals a professional recording studio? We know you're the creative type, not an engineer. That's why we made the H1 so easy to setup and navigate. So you can keep the inspiration going. Your most creative ideas can now be recorded and shared with your co-writers anywhere and at anytime the music hits you. Just be sure you have your H1 on at all times!