Stock classrooms, testing labs, and carts with the dependable Koss UR5. These lightweight, on‑ear stereo headphones use a universal 3.5 mm plug and a classroom‑friendly 4 ft (≈1.2 m) cable—ideal for Chromebooks, desktops, and devices with a standard audio jack.

Why classrooms like the UR5

• Lightweight on‑ear design: comfortable for long class sessions
• Clear stereo playback: tuned for lessons, videos, and assessments
• Universal 3.5 mm plug: works with most laptops and desktops
• Classroom‑length cable (~4 ft / 1.2 m): tidy and durable setup
• Bulk value: 100‑pack for fast deployment across rooms and labs

Compatibility at a glance

Note: UR5 is an audio‑only headphone (no built‑in mic). For voice capture, use earbuds with a mic or a headset. If your device has no audio jack (USB‑C only), use a USB audio adapter or pick a USB model. For microphone needs, select a headset or mic‑equipped model.

Tech specs

• Form factor: on‑ear (supra‑aural), closed‑back
• Connection: 3.5 mm stereo plug
• Cable length: ~4 ft (≈1.2 m)
• Impedance: 32 Ω (nominal)
• Sensitivity: ≈91 dB SPL @1 mW
• Frequency response: ~80 Hz – 18 kHz
• Microphone: none (audio playback only)
• Quantity: 100 headphones per pack