Best Bluetooth speaker deal: Save 43% on the Soundcore Select 4 Go speaker

SAVE OVER $15: The Soundcore Select 4 Go Bluetooth speaker (black) is just $19.98 at Amazon, down from the normal price of $34.99. That's a massive 43% discount that matches the record-low at Amazon.

Sunny beach days are ahead and if you want to pack along a Bluetooth speaker, it should probably be waterproof. Who knows when it's accidentally get splashed or fall into the waves. If you could use a dedicated summer water activities speaker, there's an epic deal in store at Amazon ahead of Prime Day.

As of June 19, the black Soundcore Select 4 Go Bluetooth speaker is just $19.98 at Amazon, marked down from the normal price of $34.99. That saves you $15.01 compared to the normal price thanks to the huge 43% discount. This also matches the lowest price we've spotted at Amazon.

If your summer plans involve water, the Soundcore Select 4 Go Bluetooth speaker is perfect. It's under $20 and gives you the assurance that water, sand, or dirt won't ruin the speaker. Plus, it floats. You read that correctly — the Soundcore Select 4 Go will have no issue if you take it out on the kayak and you end up tipping over. It'll be right there next you once you resurface.

The waterproof feature also means this is a great speaker for the shower, the bathtub, or using in the steam room. It can handle being submerged in up to about three feet of water for up to 30 minutes.

In terms of battery life, the Soundcore Select 4 Go gets an impressive 20 hours before it'll need to be recharged. That should be great for the weekend camping trip at the river. Plus, the included carrying strap makes this model easy to pack along on an adventure.

While the black version is under $20 at Amazon, grab the Soundcore Select 4 Go Bluetooth speaker and have a dedicated beach and lake speaker this summer. Come fall, leave it in the bathroom for epic shower concerts.