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KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus — main product image
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus
KAJNBN

KAJNBN USB Webcam with Built-In Microphone and Adjustable Focus

An affordable plug-and-play USB webcam with a built-in microphone and adjustable focus that works with everything from Windows XP through Windows 10

$13.22*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 29, 2026.Price and availability are subject to change.

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Overview

The KAJNBN USB Webcam is a no-frills desktop camera aimed at buyers who want a straightforward tool for video calls, online learning, and casual live streaming. Its headline feature is broad software compatibility: the listing states support for Windows XP, Windows Server 2003, Windows 8, and Windows 10, which makes it a candidate for reviving an aging PC that newer, driver-heavy cameras may ignore. A built-in microphone handles audio, so there is no separate headset to buy, and the manual focus can be adjusted by hand to sharpen the picture. It connects over USB 2.0, keeping installation simple.

Construction details are modest, and the listing frames this as a small, easy-to-use USB camera rather than a premium capture device. The 640x480 resolution places it firmly in standard-definition territory, a practical fit for basic face-to-face calls and light home use rather than detailed streaming or content creation. Because the focus is adjusted manually, users get some control over sharpness but must set it themselves as their distance to the lens shifts. For a secondary computer, a backup camera, or a first webcam on a budget, it covers the essentials of connecting and being seen.

Key Features

Desktop computer camera--it is compatible with windows xp, win2003/ /win8/win10 and so on,camera microphone

Small USB camera--clear camera bring the good images,monitor camera

Desktop live microphone--it is easy to use,desktop camera with microphone

Camera for computer--suitable for online learning, video call, information connection, home etc,usb microphone

Microphone for computer--you can adjust the focus easily,usb camera module

Specifications

Brand
KAJNBN
Device Type
USB Desktop Webcam
Resolution
640x480
Microphone
Built-in
Focus
Adjustable (manual)
Connection
USB 2.0
OS Compatibility
Windows XP, Server 2003, Windows 8, Windows 10
Intended Use
Video calls, online learning, live streaming, home use
Compatible Devices
Desktop computer, notebook

Frequently Asked Questions

It records at 640x480, which is standard definition. That is suitable for basic video calls and online learning, but below the 720p or 1080p found on many higher-priced webcams.
Yes, it has a built-in microphone. The listing describes it as a desktop camera with an integrated mic, so you can handle voice calls without adding a standalone microphone or headset.
The listing cites Windows XP, Windows Server 2003, Windows 8, and Windows 10. That older-OS support makes it a fit for aging desktops that newer webcams may not accommodate.
The focus is adjustable manually. You turn it by hand to sharpen the image, so you can dial in clarity for your seating distance, though it will not refocus automatically as you move.
It uses a USB 2.0 connection and works with both desktop computers and notebooks. This keeps setup simple, though USB 2.0 limits data throughput compared to newer USB standards.
It is better suited to everyday calls and home use. With 640x480 resolution and manual focus, it covers the basics rather than the high-detail demands of professional streaming or video production.

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