For sale: Large portable speaker equipped with wheels and a pull handle for easy mobility. • Sound condition: Working, excellent, very clear, and loud. • Operation method: Works via AUX cable (jack) to connect a mobile phone. The DVD player and USB also work and read files. • Disclaimer: The large built-in screen is not working (black). It might be functional but I don't know how, or it might not be. The speaker is sold without microphones (speaker and wires only, as shown in the picture). Selling to the highest bidder. Please do not lowball.