SAVE $20: As of May 13,Watch My Sister's Idol Trainee Friends Online Anker's Soundcore Boom 2 speaker is on sale for $119.99 instead of $139.99 at Amazon. That's 14% in savings.

There's one thing a successful beach day, backyard barbecue, pool party, and tailgate all have in common: they're incomplete without music. Need an outdoor speaker to accompany your summer shenanigans? Check out the Anker Soundcore Boom 2, which happens to be on sale for $20 off.

As of May 13, you can pick up the Soundcore Boom 2 for an affordable $119.99 instead of $139.99. That's 14% in savings, which isn't a massive discount, but still puts it in a solid price range for its value.

The right outdoor Bluetooth speaker delivers powerful sound, a long-lasting battery life, and a build that can withstand the elements. The Soundcore Boom 2 checks all of those boxes. It'll last up to 24 hours per charge and delivers big bass sound (plus a BassUp 2.0 feature) in a floating waterproof body. Plus, it features some fun LED lighting to add to the party vibe and a built-in power bank to give your phone some juice.

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Though we haven't tested it for ourselves, our friends at PCMag and CNET (both owned by Mashable's publisher, Ziff Davis) gave the speaker sparkling reviews. PCMag writes that it "offers a good blend of power and personality" and "packs a serious bass punch for its size and price." CNET simply sums up that it "delivers top bang for your buck." Sure, there are even more powerful Bluetooth speakers overloaded with special features, but if you don't want to empty your bank account for good sound, the Soundcore Boom 2 is your guy.