iPhone 4S gets upgrade to Bluetooth 4.0 3raser October 4, 2011 iPhone Leave a comment Bluetooth 4.0 theoretically allows iPhone 4S devices to connect to the new MacBook Airs (And other BT4.0 devices) at an extremely low power mode up to 50 meters away. iPhone 4S iPhone 4S Bluetooth 4.0 2011-10-04 3raser Share Facebook Twitter Google + Stumbleupon Pinterest