The Apple Magsafe 2 45W Power Adapter - MD592LL/A is a white power adapter specifically designed for Apple MacBook Air laptops. With a voltage of 14.85 V and an output current of 3.05 A, this adapter provides the necessary power and current to charge and power your MacBook Air efficiently. Made by Apple, this power adapter ensures compatibility and reliability for charging your device quickly and safely. It is a convenient and essential accessory for your Apple laptop.