Features: 1) Turns your iPod into a portable voice and memo recorder 2) Built-in microphone with Automatic Gain Control (AGC) 3) Multifunction jack to connect and use external microphone 4) Attaches securely to your iPod through remote/headphone 5) Integrated notebook quality speaker 6) Indicator recording status of iRecorder with LED indicator 7) iPod audio pass-through jack on top, you can copy recordings to your desktop or notebook computer for storage 8) No software installation requires, with plug and play technology, support is already built into the iPod