I have to admit I had to ask my son how to dub, but it's not difficult. I've found that it only syncs to one device at a time. Maybe that's typical. I need to go into settings to turn my phone or tablet on or off. So don't worry about these extra steps. Not difficult, but cumbersome, but as I said, all BT speakers can be equal in this regard. The sound is surprisingly good. A lot in a small package, and the design is understated. I like it.
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