CALIFONE
2800RD-USB CALIFONE USB STEREO HEADPHONES LISTENING FIRST SERIES RED
Mfg Part Number: 2800RD-USB , Item #: 2891532
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Price: $52.68
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Last Updated: Jun 08, 2025
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Help your beginning reader succeed with their read-alongs with this Listening First classroom headset. Purpose built for younger students and loaded with added safety features, these engaging headsets are ideal for language activities on computers and mobile-based learning with iOS & Android-based smartphones and tablets. Its USB plug makes it a reliable choice for testing to meet English Language Arts (ELA) requirements within the Common Core State Standards.
Main Specification
| General Information | |
| Manufacturer | Califone International, Inc |
| Manufacturer Part Number | 2800RD-USB |
| Manufacturer Website Address | http://www.califone.com |
| Brand Name | Califone |
| Product Line | Listening First |
| Product Model | 2800RD-USB |
| Product Name | USB Stereo Headphones Listening First Series Red |
| Packaged Quantity | 2 |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 5.50 ft |
| Sound Mode | Stereo |
| Distortion (<) | 5% |
| Impedance | 32 Ohm |
| Minimum Frequency Response | 20 Hz |
| Maximum Frequency Response | 20 kHz |
| Connector Plating | Nickel Plated |
| Features | Flexible |
| Features | Noise Reduction |
| Earpiece | |
| Earpiece Design | Over-the-head |
| Earpiece Type | Binaural |
| Driver Type | Ferrite |
| Driver Size | 1.18" |
| Earpiece Sensitivity | 113 dB |
| Microphone | |
| Microphone Technology | Electret |
| Microphone Design | Boom |
| Microphone Sensitivity | -46 dB |
| Interfaces/Ports | |
| Host Interface | USB |
| Controls/Indicators | |
| Earpiece Controls | Volume |
| Physical Characteristics | |
| Color | Red |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Material | Polyvinyl Chloride (PVC) |
| Material | Foam |
| Form Factor | Supra-aural |
| Height | 5" |
| Width | 10" |
| Weight (Approximate) | 1 lb |
| Miscellaneous | |
| Package Contents |
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| Compatibility |
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| Certifications & Standards | CPSIA |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 1 Year |
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WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
