The Microsoft Surface Pro (Gen 1 & 2) 48w Charger / Power Supply is a black power adapter designed specifically for the Surface Pro model. With a voltage of 12V, this charger is compatible with both Gen 1 and Gen 2 Surface Pro laptops. It provides a reliable and efficient power source for charging and powering your Microsoft Surface device. This product ensures that you can continue to work or play without worrying about running out of battery, making it a convenient and essential accessory for Surface Pro users.