This Califone PA-285AV portable P.A amplified speaker system unit is self-contained and is very compact and weighs only 19 ounces with batteries and can be comfortably worn with the aid of its belt clip. Place the comfortable headset microphone on your head, connect the wired microphone cable to the P.A amplified speaker, turn on the unit, adjust the volume and tone controls and you are all set to be heard without loosing your voice. The operating time on a full charge is between 6 to 8 hours based primarily on the volume setting.

It is perfect for a variety of applications and uses where the spoken voice needs amplification for up to a medium (typically up to 50) group of listeners including the following: classrooms, tour guides, meetings, magic shows, scout meetings, facility tours, computer audio presentation amplification ... etc.

This multi-purpose personal amplifier is light enough to wear on a belt, but also has a stability-formed base for desktop use. Projector/laptop computer connection makes the PA-285AV more versatile than other personal speaker systems.

Cables are also included to plug the unit into a laptop's headphone jack to amplify the presentation's audio so it can easily be heard in the meeting room.