A wireless desktop set where comfort and productivity go hand-in-hand. This low-profile keyboard features concave Incurve keys? that position your fingers properly and soft, rounded edges invite your fingertips to glide from key to key. Up to three-year battery life for both keyboard and mouse. Hyper-fast scrolling lets you fly through long documents, or shift to precise click-to-click scrolling. LCD dashboard lets you know that Caps Lock is on. Tiny Logitech? Unifying receiver stays in your laptop and lets you connect another compatible wireless mouse or number pad. For Device Type: Computer; Maximum Wireless Range: 30 ft; Connector/Port/Interface: USB; Wired/Wireless: Wireless.