Product	Logitech Keyboard K120 (USB)	Logitech Desktop MK120 Keyboard and Mouse	Logitech Wireless Combo MK270 Keyboard and Mouse	Logitech Wireless Combo MK540 Keyboard and Mouse	Logitech Wireless Performance Combo MX850 Keyboard and Mouse	Logitech B100 Optical Mouse (USB)	Microsoft Basic Optical Mouse for Business
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Main Specifications
Product Type	Keyboard	Keyboard and Mouse	Keyboard and Mouse	Keyboard and Mouse	Keyboard and Mouse	Optical Mouse	Optical Mouse
Connection	Wired	Wired	Wireless	Wireless	Wireless
Interface	USB	USB	USB	USB	USB	USB	USB
Color	Black	Black	Black	Black	Gray	Black	Black
Connectivity						Corded	Corded
Detailed Specifications
Ports	USB		USB port
Keyboard Dimensions				18.00 in (457.3 mm) x 7.62 in (193.5 mm) x 0.94 in (24 mm)	20.71" x 1.93" x 8.7"
Keyboard Keys		Spill resistant design, low-profile keys		Deep profile
Keyboard Hot-Keys		Media Center, Calculator Hot Key, Windows® Start Button
Mouse Dimensions				1.54 in (39.2 mm) x 2.43 in (61.8 mm) x 0.45 in (11.5 mm)
Mouse Scroll		1 x Scroll Wheel		line-by-line
Mouse Buttons				3 (Left/Right-click, Middle click)
Buttons						3 x Button	3 x Button
Movement Detection						800 dpi optical precision
Scroller						Scrolling wheel	1 x Scroll Wheel
Design						Comfortable, ambidextrous design
Operating Distance						Approximate: 5’ 9” or 180 cm
System Requirements						Windows® XP, Windows Vista® or Windows® 7, Linux® kernel 2.4+, Mac OS® X 10.3.9 or later USB port	USB 1.1
Dimensions							4.47" x 2.28"
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