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Microsoft Wireless Desktop 850 with AES (PY9-00001),Black

4.5 out of 5 stars 1,010 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Computer Mice by Microsoft

List Price: $39.95 Details
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Enhance your purchase

Color Black
Brand Microsoft
Connectivity Technology Wireless
Power Source Battery Powered

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • Advanced Encryption Standard (AES) 128-Bit Encryption
  • 2.4 GHz wireless delivers a reliable connection with up to a 15-foot range
  • Windows shortcut keys provide easy access to commonly used functions
  • Media keys for music and video control
  • Design is suitable for use with either hand
  • Optical Technology 1000 dpi provides responsive cursor control
  • Snap-in transceiver stows conveniently under the mouse
New & Used (30) from $22.03 FREE Shipping on orders over $25.00 shipped by Amazon.

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  • Microsoft Wireless Desktop 850 with AES (PY9-00001),Black
  • +
  • Microsoft 3J2-00001 Wired Desktop 600 for Business
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From the manufacturer

Keyboard version Microsoft Wireless Keyboard 850
Mouse version Microsoft Wireless Mouse 1000
Transceiver version Microsoft 2.4 GHz Transceiver v8.0
Operating systems Microsoft Windows 10 / 8 / 7, Mac OS X v10.4.x – 10.10
Customizable features available for Windows Requires Mouse and Keyboard Center software installed on a PC that meets the requirements and has one of these operating systems: Microsoft Windows 10 / 8 / 7, 150 MB of available hard disk space
Wireless range 15 feet (5 meters) typical. Note: RF range is affected by many factors, such as nearby metallic objects and relative positioning of the mouse and receiver
Wireless frequency 2.4 GHz frequency range
Battery type and quantity Keyboard: 2 AAA alkaline batteries (included), Mouse: 2 AA alkaline batteries (included)
Battery life Keyboard: up to 15 months, Mouse: up to 8 months
Legal Disclaimers 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.
Sculpt Comfort Desktop Sculpt Ergonomic Desktop Wireless Comfort Desktop 5050 Wireless Desktop 2000 Wireless Desktop 850
Overview Contoured design, cushioned palm rest Ergonomic design, cushioned palm rest Ergonomic design, built-in palm rest Encryption and comfort Reliable wireless, precise control
Ergonomist Approved
Secured Data Encryption
Type of design Curved Split Curved Straight Straight
Palm Rest
Windows Hotkeys
My Favorite Keys
Battery Life (mos) Up to 18, Up to 10 Up to 36 Up to 15, Up to 8 Up to 18, Up to 8 Up to 15, Up to 8
Warranty (yrs) 3 3 3 3 3

Product Description

Enjoy the freedom and convenience of wireless technology. You can roam up to 15 feet away with a strong signal. Or, you can 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. This keyboard also has Advanced Encryption Standard (AES), which protects your personal and business information by encoding your keystrokes.

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Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here [PDF ]

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
1,010 global ratings

Top reviews from the United States

Reviewed in the United States on April 21, 2019
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8 people found this helpful
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Reviewed in the United States on March 6, 2020
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5 people found this helpful
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Reviewed in the United States on February 2, 2019
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4.0 out of 5 stars Great value and performance with one huge defect
By Rick Lauder on February 2, 2019
I love this keyboard/mouse combo. It's very competitively priced, and it works flawlessly. I've had it for a little over a month and I use it in combination with my laptop and a desktop monitor, and it's the best system I've ever had. The keys are soft and a bit clicky, very easy to type on and very responsive. The mouse is precise and easy to use as well. The one HUGE problem I'm having with it is that about a week after I started using it, the battery cover on the mouse started popping out and the mouse would stop working. You would think that by it being on a flat surface it would keep the cover shut but it doesn't. The first two or three times I would pop it back on and keep working, but it kept happening more often. I thought it was broken but I checked it and realized it's not; it just doesn't seem to "click" shut and keeps opening. I thought of returning it but instead turned to the ultimate man tool - duct tape. A tiny strip of duct tape in the just the right spot did the trick (see my photos). It's not cute but it works. Again, this may have been a defect in my unit but it looks like a design flaw in the product. Other than that, I'm really enjoying this purchase.
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3 people found this helpful
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Reviewed in the United States on May 8, 2020
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2 people found this helpful
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Reviewed in the United States on December 23, 2015
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37 people found this helpful
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Reviewed in the United States on November 10, 2021
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One person found this helpful
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Reviewed in the United States on September 27, 2021
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Top reviews from other countries

ReinisR
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom on March 12, 2018
Verified Purchase
Mithil V Sampat
4.0 out of 5 stars Keyboard is GREAT. I am unsure about mouse
Reviewed in India on November 26, 2018
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RahulJ
1.0 out of 5 stars Good keyboard and mouse for me
Reviewed in India on June 22, 2017
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2 people found this helpful
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Client d'Amazon
3.0 out of 5 stars Bon, mais fragile
Reviewed in Canada on November 17, 2019
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Swaroop Reddy BUGULU
5.0 out of 5 stars good
Reviewed in India on November 23, 2021
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