This Sony Extra Bass portable speaker is on sale for $30 at Walmart

TL;DR: The booming Sony SRS-XB10 portable wireless speaker is on sale for just $29.99, saving you $30.

Holiday weekends (or any weekend in the summer, really) need to be accompanied by music. 

A waterproof speaker that can can go anywhere is a must, but you don't need to cop some generic one to keep your costs down. The Sony SRS-XB10 is a splash-proof portable speaker with booming bass, and it's on sale for just $29.99 at Walmart.

The XB10 the smallest (and cutest) of Sony's Extra Bass collection, but it holds its own. Electric Forest-grade bass, balanced treble, and minimal distortion are all packed into the less-than-a-pound speaker. One touch pairing makes the setup process seamless, and 16 hours of battery life gives your life background music for days on end. Read more...