Range is only 30 feet and your source device needs to be in the same room indoors ...

However, not just any Bluetooth ... with loud wireless speakers. Several manufacturers, such as Ultimate Ears and JBL, have figured out how to cram a high-capacity battery into their portable ...

The best portable Bluetooth speakers don't make you choose between sound quality and convenience. Gone are the days of dragging around a Boombox-like device as if you're in a 90's music video.