Bluetooth on iPhone 4S, new e-ink technology, SetGame, and a new home. Earlier this year, Apple introduced new Bluetooth 4.0 chips in their MacBook Air and Mac Mini computers. The chips have support for a new Bluetooth Low Energy spec. This new specification paves the way for a lot of new kinds of Bluetooth-powered devices. Well now, that BlueTooth 4.0 is part of the iPhone 4S.