Neo 2 Black Soundcore Rave Model: A33A1Z11 Play Your Music at 80 Watts: Play music that your guests won't soon forget with 80W of stereo sound. With BassUp technology, the portable speaker can even make the bass pound. Get in sync with PartyCast 2.0: PartyCast 2.0 lets you create the best entertainment possible and connect more than 100 speakers. Your speakers will astonish your guests with a beat-synchronized light display. On the Water, Floats: Actually, bring your music to the pool. Even if someone were to submerge the portable speaker, its IPX7 water-tight casing would shield the electronics and allow it to float. Enjoy an 18-hour party: With just one charge, you can go from the game to the backyard to the lake. If your phone isn't able to keep up, use the built-in portable speaker by plugging it in.