Logitech  Wireless All-In-One Keyboard TK820 with Built-In Touchpad All-in-one keyboard with built-in touchpad: Type and swipe on one device for effortless computer control and navigation Large touch surface: Point, zoom and perform Windows 8 gestures comfortably and smoothly (also works with Windows 7) Sleek, space-saving design: Ultra-slim, cable-free design reduces clutter on your desk Perfect Stroke and Incurve keys: Experience fluid, comfortable typing with Logitech's advanced key technology Unifying receiver with advanced 2.4 GHz wireless: Fast, reliable wireless connection gives you the freedom to type on your desk or lap