Compatible with Mac book Air 11 inch: -Mac book Air (11-inch, Mid 2012) MD223,224 -Mac book Air (11-inch, Mid 2013)MD711,712 -Mac book Air (11-inch, Early 2014) MD711,712 -Mac book Air (11-inch, Early 2015) MJVM2,MJVP2 Compatible with Mac book Air 13 inch: -Mac book Air (13-inch, Mid 2012) MD231,232 -Mac book Air (13-inch, Mid 2013) MD760,761 -Mac book Air (13-inch, Early 2014) MD760,761 -Mac book Air (13-inch, Early 2015) MJVE2,MJVG2 -Mac book Air (13-inch, 2017) MQD32,MQD42,MQD52 Notes:-1.Put it at a dry and cold place when charging. -2.Do not use the charger with wrong mac model. Intelligent recognition chip, safe and protective It adopts the intelligent recognition chip. When charging, the power will be cut off automatically if it is full. Intelligent switching charging mode, so it's unnecessary to worry about computer overcharge. High quality copper，safe and fast Tinned copper core wire helps any T tip wire to bend arbitrarily,T-Tip magnetic connector helps guide the plug into the system for a quick and secure connection. T-Type Power Cord, Strong and Durable Tancold T-Tip 5-pin 45W Mac Book Air charger, can be automatically adsorbed, super suction, easy to remove the suction interface; The function is connected and charged, bringing you extreme Great convenience and maximum profitability.