ChatterVox is simply the finest portable voice amplifier. It can boost your volume by as much as 18 decibels. It consists of a rechargeable “fanny pack” amplifier and speaker unit along with an extremely comfortable headset microphone. You simply charge the ChatterVox overnight with the included charger, put on the fanny pack and headset, plug the headset into the fanny pack, adjust the volume knob and your set. Nobody beats ChatterVox when it comes to quality and ease of use. ChatterVox – Be Heard!