High-performance wireless combo puts convenience and control comfortably at your fingertips, whether you use a laptop or desktop. Full-size keyboard gives you the room you need to type comfortably, while the concave Incurve keys? cradle your fingertips. The full-size mouse offers smooth, precise laser tracking and provides comfort and control with a hand-friendly, contoured design and soft rubber side grips. Hassle-free desktop with up to three years of battery life for the keyboard and one year for the mouse. Logitech? Unifying receiver plugs into your laptop and is compatible with other Unifying devices. For Device Type: Computer; Maximum Wireless Range: 30 ft; Connector/Port/Interface: USB; Wired/Wireless: Wireless.