iPhone 4.0 was the first smartphone which introduces the Bluetooth into its Mac Mini and Macbook Air in this year.Its configured the data transmission, as macrRumors metions, some of the early possibilities to take advantage of Bluetooth 4.0 support things like health mointors, proximity detectors, and even "smart" watches. Once paired, they could send and receive data with your smartphone and display information quickly and without a huge power drain on either device.
