Logitech 920-003070 Wireless Touch Keyboard K400

High class wireless Keyboard with 3.5-inch touchpad; for optimized typing and scrolling as you use your computer
USB wireless receiver; provides 2.4 GHz wireless interface up to 33 feet
Hotkeys for multimedia and volume controls; for added accessibility and convenience
Windows 7 compatible; for utmost reliability on Windows 7 operating systems