WHAT DOES ROLLING BLUETOOTH SPEAKER WITH MICROPHONE MEAN?

�?It's totally heavy. The Hyperboom weighs in at 13 pounds, making it the heaviest speaker over the list.It's larger and heavier than our other prime picks at above 4 lbs �?much more for sitting on the table or stoop than attaching to some bicycle. (It does arrive with a carrying strap, which attaches to the steel loops within the speaker, alth