Blast Your Music with 80W: Use 80W of stereo sound to provide your guests with music they won't soon forget. With BassUp technology, the portable speaker can even make the bass pound. With PartyCast 2.0, Sync Big: With PartyCast 2.0, connect more than 100 speakers and produce the best possible entertainment. Your guests will be mesmerized by your speakers' beat-synchronized light show. Floats on the Water: Literally take your music to the pool. Even if the portable speaker is submerged, its IPX7 water-tight casing will keep the electronics safe. 18-hour party: everything from the lake to the game to the backyard—all for a single fee. Additionally, if your phone isn't able to keep up, you can charge it while you play by plugging it into the USB port on the portable speaker.