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.
Works with both the SONOS PLAY:1 and PLAY:3 speakers in any position Sanus Wireless Speaker Wall Mount for Sonos PLAY:1 & PLAY:3 - Tool Free Tilt & Swivel Adjustments For Best Audio - Single (Black) - WSWM1-B1