• Long Battery Life: Up to three years of keyboard and mouse battery life; efficient power management virtually eliminates the need to change them • Keyboard with Logitech Incurve Keys and Padded Palm Rest: Concave keys position your fingers properly and their rounded edges invite them to move from key to key, hour after hour • Wheel Button and Fast Scrolling: You can fly through large documents with the nearly frictionless wheel button, or switch the scrolling mode for click-to-click • Battery Control: The control section indicates the status of the batteries and the caps lock, scroll lock, and num lock with icons, so you don't miss anything • Mini USB Receiver: No need to disconnect it to move the laptop from one place to another and no need to worry about it breaking or getting lost; and you can easily add another compatible mouse, keyboard • Try the Logitech MK270 Wireless Combo: For greater freedom of movement with reliable wireless connection, quick access buttons and direct multimedia keys, and extended battery life • Dimensions: Width: 48.1 cm, Height: 7.5 cm, Length: 25.2 cm