WHAT DOES ROLLING BLUETOOTH SPEAKER WITH MICROPHONE MEAN?

�?It's very heavy. The Hyperboom weighs in at thirteen lbs ., making it the heaviest speaker over the list.A super compact Bluetooth speaker that's durable, sensible, and delivers a carefully enjoyable sound with surprising bass and volume for its tiny size.If waterproofing can be a priority then watch out for models from Ultimate Ears, which com