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.
Brand: Sonos. The 2 Room Starter Set is the perfect way to begin your Sonos system. Experience the magic of Sonos by filling two rooms of music with two PLAY:1s. The PLAY:1 is a compact wireless speaker that delivers deep, crystal clear HiFi sound.