Enjoy your music wherever you go with the portable Bluetooth tailgate/trolley speaker. The built-in wheels & collapsible handle makes it easy to take around with you. The top mounted flashing LED lights & the pulsing lights in the speaker helps draw attention & gets the party started. This great sounding speaker delivers 15 Watts (RMS) of output power, & operates on the built-in rechargeable battery or with the included AC adaptor. Features three ways to play your music; play MP3 files directly from a flash drive using the USB port, stream wirelessly via Bluetooth or plug into the auxiliary line-in. Separate microphone & guitar inputs give you the option to sing along with the included microphone, or plug in your guitar to play along.