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.
What Is Bluetooth. Bluetooth 4.0, is a specific protocol for device to device communication using a radio frequency. Bluetooth is most commonly known as a protocol for hands off phone control. Yet, Bluetooth is used for a lot more than just phone control. Bluetooth devices include keyboards, mice, headphones, gaming controllers, remote controls, printers, and cameras are the most common computer devices using Bluetooth.