1. Product Overview
The Microsoft Wireless Desktop 800 offers the freedom and convenience of wireless technology for your computing needs. This set includes a wireless keyboard and mouse, designed for ease of use and reliable performance.
Key Features:
- Wireless keyboard and mouse combination
- Secure wireless connection & snap-in transceiver
- Easy-access hot keys for common functions
- 1000 DPI optical tracking for responsive cursor control
- Optimized power management for extended battery life

Figure 1: Microsoft Wireless Desktop 800 Keyboard and Mouse.
2. Setup Instructions
Setting up your Microsoft Wireless Desktop 800 is a straightforward process. Follow these steps to get started:
- Install Batteries: Insert the required batteries into both the keyboard and the mouse. The keyboard typically uses AAA batteries, and the mouse uses AA batteries. Ensure correct polarity.
- Connect Transceiver: Locate the tiny USB transceiver. Plug this wireless receiver into an available USB port on your computer.
- Power On: Turn on the mouse using its power switch (usually located on the underside). The keyboard does not typically have a power switch and activates upon battery insertion and connection.
- Automatic Connection: Your keyboard and mouse should automatically connect to your computer. If not, refer to the troubleshooting section.
The transceiver can be conveniently snapped into the bottom of the mouse for secure storage when traveling, which also automatically turns off the mouse to conserve battery life.

Figure 2: The compact USB transceiver.
3. Operating Your Device
Keyboard Functions:
- Secure Wireless Connection: The keyboard utilizes 2.4 GHz wireless technology, providing a reliable connection with a range of up to 30 feet, minimizing interference.
- Easy Access Hot Keys: Quickly access frequently used tools such as zoom, audio controls, and the calculator using dedicated shortcut keys.
- Windows Start Button: Press the Windows Start button to quickly launch the Start menu on compatible Windows operating systems.
Mouse Functions:
- Microsoft Optical Technology: Experience responsive and precise cursor control with 1,000-dots-per-inch (DPI) tracking.
- Scroll Wheel: Navigate through documents and webpages efficiently using the integrated scroll wheel.
- Ambidextrous Design: The mouse is designed for comfortable use in either the right or left hand.
4. Maintenance and Battery Management
- Battery Life Indicator: The battery status indicator will glow red when the battery is running low, signaling that replacement is needed soon.
- Power Switch: To extend the battery life of your mouse, use the power switch located on its underside to turn it off when not in use or during travel.
- Extended Battery Life: Enjoy fewer interruptions with up to 15 months of battery life for the keyboard and mouse (individual battery life may vary).
- Cleaning: Use a soft, dry cloth to clean the surfaces of the keyboard and mouse. Avoid using harsh chemicals or abrasive materials.
5. Troubleshooting
If you encounter issues with your Microsoft Wireless Desktop 800, consider the following common solutions:
- No Connection:
- Ensure the USB transceiver is securely plugged into a working USB port on your computer.
- Check that the batteries in both the keyboard and mouse are correctly installed and not depleted. Replace if necessary.
- Move the keyboard and mouse closer to the transceiver to rule out range issues.
- Intermittent Connection:
- Avoid placing the transceiver near other wireless devices or large metal objects that could cause interference.
- Ensure your computer's operating system is up to date.
- Mouse Cursor Not Moving:
- Check the mouse batteries.
- Ensure the optical sensor on the bottom of the mouse is clean and not obstructed.
- Use the mouse on a suitable surface; highly reflective or transparent surfaces may affect tracking.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Microsoft |
| Model | Wireless Desktop 800 |
| Color | Black |
| Connectivity Technology | Radio Frequency (2.4 GHz) |
| Compatible Devices | Laptop, Personal Computer |
| Keyboard Description | Wireless Keyboard |
| Movement Detection | Optical (1000 DPI) |
| Keyboard Backlighting | No (Single Color support refers to key legends) |
| Operating System Compatibility | Windows 8, Windows 7, Windows Vista, Windows XP |
| Hand Orientation (Mouse) | Ambidextrous |
| Power Source | Battery Powered |
| Number of Keys (Keyboard) | 104 |
| Batteries Required | 2 AAA (keyboard), 2 AA (mouse) - included |
| Item Weight | 0.51 Pounds |
| Keyboard Layout | QWERTY |
7. Warranty Information
The Microsoft Wireless Desktop 800 comes with a Manufacturer Warranty. For specific details regarding coverage, duration, and claims process, please refer to the warranty documentation included with your product or visit the official Microsoft support website.
8. System Requirements and Support
System Requirements:
- Operating System: Windows 8, Windows 7, Windows Vista, or Windows XP
- Other: Available USB Port
Customer Support:
For further assistance, technical support, or to download the latest drivers, please visit the official Microsoft support website. You can also find additional resources and FAQs there.
Online Support: support.microsoft.com





