The PORTER-CABLE PCC772B 20V MAX Bluetooth Speaker allows you to wirelessly stream music from any Bluetooth or smart device. This speaker delivers high performance sound. A built-in auxiliary cord provides an alternate way to play music; simply plug in an MP3 player or smart device. This unit is powered by a 20-volt max Li-ion battery (not included). Compact size with carry handle makes the speaker easy to transport. An AC power adaptor is included – just plug in speaker and you’re ready to go.