Work with original Surface Pro, original Surface, Surface 2, Surface pro 2 For Surface power users Extends battery life while you work Work with the speed and functionality of a classic laptop keyboard while extending the battery life of your Surface up to 70% with the Power Cover. It also recharges your Surface's battery while you work. You'll have plenty of juice to stay unplugged all day in the office, during a full day of classes, or on a cross-country flight. Windows shortcut, function keys, media controls, and trackpad The Power Cover has all the standard features of a classic QWERTY keyboard.