Wireless keyboard and mouse combo is where comfort and productivity go hand-in-hand. You get up to three-year battery life for both keyboard and mouse, both connected via the Unifying receiverthe tiny, wireless receiver that stays in your laptop and lets you add devices as you need them. With Incurve keys and a cushioned palm rest, this low-profile keyboard almost feels like its custom-made for you. For Device Type: Computer; Maximum Wireless Range: 30 ft; Connector/Port/Interface: USB; Wired/Wireless: Wireless.