Microsoft Wireless Keyboard and Mouse Desktop 850

Wireless Desktop 850

Overview Tech specs

Wireless Desktop 850

Part number: PY9-00018

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    Reliable wireless connection

    Enjoy the 2.4-gigahertz (GHz) wireless technology, which delivers a reliable connection with a range of up to 15 feet (4.5m), with virtually no interference.

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    Advanced Encryption Standard (AES) 128-Bit Encryption

    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.

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    Windows shortcut keys

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

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    Designed for comfort – in either hand

    Superior comfort that’s designed to fit your right or left hand.

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    Microsoft optical technology

    Precise optical tracking technology provides highly responsive cursor control.

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    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.

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    Battery life indicator

    Avoid getting caught with a dead battery. The battery status indicator glows red when the battery is running low.

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    Scroll wheel

    Move through documents and webpages quickly.

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    Power switch

    Turn off your mouse to extend battery life.

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    Windows start screen key

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

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    Longer battery life

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



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* Advanced Encryption Standard (AES) is an electronic data encryption specification that was established by the U.S. National Institute of Standards and Technology (NIST). It was subsequently adopted by the US federal government as an approved encryption technology under the FIPS-197 standard.