About this itemOutput: 45 Watts (14.5 V x 3.1 A), Pin: MG2 (T Shape), Input: AC 100-240 V ~ 1.5A(50-60Hz)Compatible with: Air (11-inch, Early 2015) , Air (13-inch, Early 2015) , Air (11-inch, Early 2014) , Air (13-inch, Early 2014) ,Air (11-inch, Mid 2013),Air (13-inch, Mid 2013) , Air (11-inch, Mid..