The Genuine Apple 85W MagSafe 2 Adapter is designed specifically for Apple MacBook Pro Retina and Air models. It includes an extension cord for added convenience and compatibility with various Apple products. The adapter features a white color, 4.25 A output current, and 85 W max. output power, making it suitable for charging and powering your MacBook efficiently. With the official Apple brand and compatibility with different MacBook models, this power adapter is a reliable and essential accessory for any Apple user.