The Apple MagSafe 2 45 W Power Adapter Charger (MD506LL/A) is a white power adapter specifically designed for Apple MacBook Pro and Air laptops. With a voltage output of 20V and 60W, this OEM charger is compatible with various MacBook models and comes with a 1-year manufacturer warranty. It is an essential accessory for keeping your MacBook charged and ready to use, whether you are at home or on the go.