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.
The SONOS SUB Wireless Subwoofer from Sonos will fill an entire room with deep, clear HiFi bass you can feel with your whole body. A simple touch of a button and SUB is wirelessly connected to any Sonos amplified component: PLAY:5, PLAY:3, PLAYBAR, or CONNECT:AMP.