The BoomVox Wireless Amplifier is a small, portable speech amplifier designed for use by people with speech disabilities. It can be worn around the waist on a belt. The BoomVox can be used with a wireless headset microphone, a lapel microphone, a handheld microphone or a high-gain heavy-duty microphone, all of which are included with the unit. The voice is projected from the 15-watt amplifier. The volume on the amplifier is adjustable. A carrying case is included. POWER: Uses built-in, rechargeable battery with charger, alternating current (AC) poer cord or 12-volt car adaptor (included). COLOR: The carrying case is black.