Hyperparathyroidism is where the parathyroid glands produce too much PTH. This causes blood calcium levels to rise (hypercalcaemia) and blood phosphorus levels to fall (hypophosphataemia).
Just two words: Quality and BlueTooth cannot be used in same sentence. The Sonos Play 3 is a very good sounding speaker for it's price range and is well made. You can't really compare it to a BT speaker as it really is much more. Your smartphone is mostly used as a remote for it rather than a source so your phone doesn't have to be on all the time you use it.
Weâve spent hundreds of hours over several months using six multiroom wireless speaker systems in every possible room and even outside, and weâve ultimately determined that Sonos is the best multiroom wireless speaker system. It has a class-leading music ecosystem, excellent sound quality, and unparalleled ease of use.