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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Noise-Reducing Technology: Block out unwanted background noise with advanced noise-reducing ear cups and a microphone designed to focus on the user’s voice
Sturdy ABS plastic construction
oral history
:contentReference[oaicite:2]{index=2} Compatibility and setup
5 mm stereo (TRS) plug
Koss UR23i Over Ear Headphones with In-line Mic usecase_testing Noise-Reducing Technology: Block out unwantedKoss UR23i Over Ear Headphones The Koss UR23i Over Ear Headphones offer a durable and comfortable listening experience, making them ideal for classrooms, remote learning, and personal use. With their closed back design and 40mm drivers, they deliver clear, immersive sound while minimizing external noise. Key Features 40mm Drivers: Provide clear and immersive sound quality. Closed Back Design: Helps minimize external noise for focused listening. In
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