Your temporomandibular joints connect your lower jaw to your skull. You need them to work properly so you can do things such as talk, swallow, chew, and yawn. If you havetemporomandibular disorder(TMD), then these joints and the surrounding bones or muscles aren't working well. Sometimes, t...
Apple's Continuity features also use BlueTooth 4 and later Bluetooth versions along with Wi-Fi. This is why older computers and iPhones won't work with some of the continuity features; BlueTooth 4 requires newer hardware. But its also why you don't have to pair your phone and your computer...