Ultimate Ears MEGABOOM 3 Portable Wireless Bluetooth Speaker 

Like New, have only used once. Mega Boom 3 & Charging Cable that came with the Speaker are included. Dustproof rating, it can be totally submerged in water for up to 30-minutes. Plus, it floats too. DURABILITY: MEGABOOM 3 is built tough and ready for adventure. We put it through more than 25 rigorous durability tests including thousands of button pushes, tumbles and multiple drop tests and more. PARTY UP / SHORT: Use PartyUp on the Ultimate Ears app to pair 2, 3, 4...and over 150 speakers for the ultimate sound experience. You can pair any generation of BOOM and MEGABOOM together. BATTERY LIFE: MEGABOOM 3 enjoys a massive 20-hour battery life. Using the latest cell technology, it will last almost a full day on a single charge.