Soundcore Anker Rave Neo 2 Portable Speaker with IPX7 Waterproof (Floats on Water), PartyCast 2.0, Light Show, and 80W Stereo Sound 18-hour playback and adjustable EQ Bass Up for Backyard Parties and Tailgating Concerning this item Play music loudly with 80W of power: Use 80W stereo sound to provide your guests with music they won't soon forget. BassUp technology allows the bass to be heard on the portable speaker. High synchronization with PartyCast 2.0: With PartyCast 2.0, connect more than 100 speakers and create the ultimate entertainment. Your guests will be amazed by the speakers' rhythm-driven light show. Floats on water: Literally take your music to the pool. Even if someone were to drown the portable speaker, it would still be safe because of its IPX7 water-tight housing. Celebrate with 18 people.