Ultimate Ears BOOM 2 is the 360-degree wireless speaker that blasts loud, insanely great sound with deep, powerful bass in every direction–everywhere you go. It's also waterproof and designed to withstand anything. It was designed to get wet, muddy, and beat up. You’re always guaranteed a powerful audio sound with the Ultimate Ears BOOM 2 speaker. The 360-degree wireless connectivity supports easy pairing with other compatible speakers, while the deep, powerful bass produces an immersive sound environment. PartyUp allows you to wirelessly connect to up to 50 other Ultimate Ears speakers and takes your party where no other sound system can go. This Ultimate Ears BOOM 2 speaker is waterproof, shockproof, and dirt-proof, letting you take your party outdoors for more fun. It has a portable, versatile shape that allows you to take it anywhere you want. The outside has a plasma coating that makes this speaker water and stain-resistant. Just tap the top of the speaker to play, pause, and skip songs. Along with the speaker, you’ll also get a Micro USB Cable and Power Adapter. 

Pros:

• You can switch songs, adjust volume, and take phone calls from up to 50 feet away. 
• These speakers have a 15-hour rechargeable battery, 100 feet of wireless Bluetooth range, and fast micro USB charging. 
• You can easily connect your UE BOOM 2 W to several wireless UE speakers to truly make things epic.
• Crafted from premium materials, this speaker is resistant to water, dirt, and shocks.

Cons:

• This speaker has many great features but it’s definitely an investment. 
• The BOOM 2 is an older generation of Ultimate Ears Speakers so they might be hard to come by but new generations are definitely worth checking out!