虽然还是要随身两个设备,但是比如iPhone放手提包里
iPad iPad mini就可以完全作为手机了。 https://www.apple.com/ios/ios8/continuity/images/hero.png
电池寿命更长了吧
不过需要同一个wifi网络。
Now you can make and receive phone calls on those devices as long as your
iPhone running iOS 8 is on the same Wi-Fi network.