Microsoft Wireless Desktop 850

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Wireless Freedom and Security at an Affordable Price
Enjoy the freedom and convenience of wireless technology. Confidently roam up to 15 feet away from your PC while maintaining a strong wireless connection. Or, take the mouse separately to use with a laptop while traveling—the tiny transceiver conveniently snaps into the bottom of the mouse when it’s time to pack up and go. Setting up the keyboard and mouse is simple—just insert the batteries, plug in the tiny transceiver, and start typing! This keyboard also has Advanced Encryption Standard (AES), which is designed to help protect your information by encrypting your keystrokes.

Reliable wireless connection
Enjoy the 2.4-gigahertz (GHz) wireless technology, which delivers a reliable connection with up to a 15 foot range, with virtually no interference.

Advanced Encryption Standard (AES) 128-Bit Encryptio
This keyboard features Advanced Encryption Standard (AES) technology, which is designed to help protect your information by encrypting your keystrokes. Each keyboard is permanently paired with its receiver at the factory—no key information is ever shared over the air.

Windows shortcut keys
Quickly access frequently used tools, like the calculator, zoom and audio controls by using shortcut keys.

Designed for comfort – in either hand
Superior comfort that’s designed to fit your right or left hand.

Microsoft optical technology
Precise optical tracking technology provides highly responsive cursor control.

Snap-in transceiver
Plug the wireless receiver into your computer’s USB port when you’re ready to work. Then snap it into the bottom of your mouse when you travel, and the mouse will automatically turn off.

Scroll wheel
Move through documents and webpages quickly.

Power switch
Turn off your mouse to extend battery life.

Windows start screen key
Simply press the Windows start screen key to view your apps and start screen.

Longer battery life
Experience fewer interruptions with up to 15 months of battery life for your keyboard.


Numeric keypad Y
Frequency band 2.4
Connectivity technology Wireless
Windows keys Y
Wrist rest N
Keyboard integrated devices No
Keyboard style Straight
Keyboard form factor Standard
Device interface RF Wireless
Number of batteries (keyboard) 2
Mouse battery type AA
Keyboard battery type AAA
Power source type Battery
Number of batteries (mouse) 2
Buttons quantity 3
Movement resolution 3000 DPI
Mouse included Y
Scroll type Wheel
Scroll Y
Movement detection technology Optical
System requirements
Windows operating systems supported Windows 10 Home, Windows 7 Professional, Windows 8
Mac operating systems supported Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Minimum hard disk space 150 MB
Other features
Width 53.900
Wireless range 5 m
Operational conditions
Operating temperature (T-T) 0 - 40 °C
Storage temperature (T-T) -40 - 60 °C
Weight & dimensions
Mouse weight 65.9 g
Mouse dimensions (WxDxH) 58.3 x 113 x 39.6 mm
Receiver weight 2.8 g
Receiver dimensions (WxDxH) 15 x 27.6 x 6.89 mm
Keyboard dimensions (WxDxH) 227 x 486 x 45.7 mm
Keyboard weight 601 g
Wireless receiver interface USB
Packaging data
Receiver included Y
User guide Y
Colour of product Black


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