WHAT DOES ROLLING BLUETOOTH SPEAKER WITH MICROPHONE MEAN?

�?It is very heavy. The Hyperboom weighs in at thirteen kilos, making it the heaviest speaker to the list.Another standout is battery life: as much as 32 hrs of playtime over a single charge, much longer than similar-sized competition.Protection: System starts on the day of purchase. Malfunctions protected following the manufacturer's warranty. P