Microsoft Wireless Desktop 850 with AES ) - Black. Wireless Keyboard and Mouse Combo. Snap-In USB Transciever. Right/Left Hand Use Mouse
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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.
SpecPicks Verdict
SpecPicks classifies Microsoft Wireless Desktop 850 with AES ) - Black. Wireless Keyboard… as a solid pick with broad community endorsement in the keyboards & mice category, based on 1,852 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Large, well-vetted feedback pool (1,852 reviews)
- ✓ Advanced Encryption Standard (AES) 128-Bit Encryption
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 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
Full Specifications
| Brand | Microsoft |
|---|---|
| Color | Black |
| Unit Count | 1.0 Count |
| Connectivity | Wireless, USB, 2.4GHz |
| Model Number | PY9-00001 |
| Power Source | Battery Powered |
| Built-In Media | Keyboard and mouse set - wireless, Software, USB wireless receiver |
| Item Type Name | Microsoft Wireless Desktop 850 - Keyboard & mouse set - English - North America, Black (PY9-00001) |
| Number of Keys | 104 |
| Connection Type | Wireless |
| Keyboard Layout | QWERTY |
| Mfr Part Number | PY9-00001 |
| Special Feature | Ergonomic |
| Antenna Location | Office |
Ready to buy?
Microsoft Wireless Desktop 850 with AES ) - Black. Wireless Keyboard and Mouse Combo. Snap-In USB Transciever. Right/Left Hand Use Mouse is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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