Through October 12th, on Amazon where Prime members can get this
Soundcore by Anker Flare Mini Portable Speaker for just $29.99 shipped (regularly $42.99) – the lowest price!

Featuring fun LEDs that blink and dance to create a beat-driven light show, this powerful stereo speaker can crank out 12 hours of tunes on one charge. The BassUp infuses your music with a powerful bass boost, and the enhanced clarity means you’ll hear every note of your favorite song in high fidelity.
Even better, this speaker is fully pool party-proof! It withstands spills, and rain and can be fully submerged for up to 30 minutes in water!
Plus, you can use the Soundcore app on your phone to completely control the sound profile and LEDs.