Millions if not billions of people use Bluetooth technology every day but very few know that its logo has an ancient hidden meaning.

The Bluetooth vulnerability combination nicknamed "PerfektBlue" is currently making waves. It affects vehicles from Mercedes, Skoda & VW.

Even the iconic Bluetooth logo pays homage to King Harald, blending two runes from the Younger Futhark alphabet: ᚼ (H) and ᛒ (B)—Harald Bluetooth's initials.

The Bluetooth speaker space is oversaturated at this point. We set out to find the best portable Bluetooth speakers across a number of different price ranges and uses cases. These are our favorites.

Want to listen to music by your pool or on your next camping trip? These rugged, waterproof Bluetooth speakers are the best we've tested.