I actually bought two sets. I moved to an apartment with only a phone jack and not in a convenient location. In order not to pull wires up the ceiling and walls, I decided to try them. They solved my problem and work great. No feedback or interference so far.
IPEVO V4K: Ultra High Definition 8MP USB Document Camera - Perfect for Live Demos, Web Conferencing, Distance Learning & Remote Teaching on Mac OS, Windows, and Chromebook
3 Review
π CZUR Assistive Cover 13.14-inch: Splash Resistant, Adjustable Hook & Loop, PVC Material for CZUR Book Scanner - Office & Home - Black
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π₯ Enhance Distance Education & Web Conferencing with INSWAN INS-1 - Tiny 8MP USB Document Camera
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π· CZUR Shine800-Pro: High-Speed Document Camera for Mac and Windows with OCR Function
10 Review