The 65W Microsoft Surface Pro 3 4 5 6 7 Book Laptop Charger Power Adapter 1706 15V4A is a black power adapter specifically designed for Microsoft Surface Pro laptops. It has a voltage of 15V and an output current of 4A, making it compatible with various Microsoft Surface Pro models. The unit comes with a 1-year manufacturer warranty, ensuring quality and reliability. This charger is a convenient and essential accessory for ensuring your Microsoft Surface Pro is always powered up and ready for use.