Amplivox SW212 Mity-Vox Wireless AC/DC Rechargeable Portable Public Address PA System With Wireless Handheld and Lapel Microphones, Protective Case, For Up To 150 People, 8 Pounds 20 watt multimedia amplifier Single Channel VHF Wireless Handheld Microphone and Lapel & Headset Microphone with transmitter Built-in rechargeable battery Built-in storage compartment Protective case