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Ultimate Ears' Boom and Megaboom 3 are a pool party's best friend | Engadget
UE's new PartyUp feature broadcasts to multiple speakers | Engadget
Amazon.com: Ultimate Ears MEGABOOM 3 Wireless Portable Waterproof Bluetooth Speaker with 360 Degree Sound, Deep Bass, Party UP via Boom App with Signature Series Shockproof, Waterproof Case and Microfiber Cloth : Electronics
UE MegaBoom 3 Wireless Bluetooth Speaker - Red – DTR
PartyUp - Create a Party Sound System by Wirelessly Connecting Multiple Ultimate Ears Speakers