The 8 best Bluetooth speakers, tested for sound, portability, and cool factor

A Bluetooth speaker is one of those devices that, once you find one you like, you won't be able to imagine how you lived without it.Since both Bluetooth and speakers aren't exactly new technology, you'll find that this is one of the more expansive product categories (admittedly, this feels like the case for almost anything you buy these days). Enter: the Mashable tech and shopping teams. We stay on top of the latest Bluetooth speaker releases but also use our audio and product testing expertise