The iVisa 80 Light is a portable wireless PA system with an iPod dock, USB player, and wired microphone. The integrated battery allows up to 5 hours of use and the unit features a 4-channel mixer with inputs for 3 microphones and playback for music via the USB player or iPod dock. The mixer also features tone control, talkover, and echo functions for the mic inputs. Similar in feature set to our popular iVisa TT, the iVisa 80 Light provides a video output for displaying iPod videos on an external video device. With the various input options for microphones and the integrated USB player and iPod dock, the iVisa 80 Light is the perfect device to take with you for conferences, educational events, and even parties.