Introducing with the Optoma Neo-i / DV20 Portable Docking Station plus Video Projector with Built-In Speakers. So with this device you will have a multimedia dock on the integrating a multimedia projector from the leader in DLP Pico projection. And you do not need external audio system as there is a built in sound system. Now, you can create a home theater experience and enjoy your personal media collection in entirely new ways whether at home, work, or play. Dock your iPod/iPhone directly into the Neo-i, and start projecting videos or photos instantly on most surfaces around your home or office.