Califone International 2800BL-USB
Listening First Stereo Headset in Blue with USB Connection


The Califone 2800BL-USB is an engaging Listening First stereo headset that is built for digital learning with young students. The smaller fitting headband and earcups are ideal for beginning readers. The Listening First design makes the technology more comfortable so it disappears and the students can focus on the lesson. The 2800BL-USB blue Listening First headset is ideal for 1:1 or small group learning, language-based assessments, for library uses, gaming, AR & VR settings, and in computer labs. The volume setting and microphone functions are accessible from the inline controls.

Califone 2800BL-USB Features:

  • Recessed wiring for safety
  • Fully adjustable headstrap,yet specifically sized for young students. It and the earcups are made with rugged ABS plastic for safety & to resist breakage in high-use areas
  • Noise-reducing circumaural earcups lower external noise so volume needn’t as high, for hearing safety
  • Reinforced entry point of the cord into the earcup
  • USB plug, with inline volume, mic on/off/mute controls
  • 5.5 ft straight cord long enough to avoid accidental pull out
  • Slotted baffles prevent speaker access from prying fingers or foriegn objects for safety
  • Noise canceling mic less likely to pick up nearby sounds
  • Replaceable leatherette ear cushions

Califone 2800BL-USB Specifications:

  • Electret Microphone:
    • Sensitivity: -46dB +/-3dB @1kHz
    • Frequency Response: 10-10kHz
    • Voltage: 2 V standard, 10 V maximum
  • Speaker:
    • Transducers: 30mm Mylar dome, ferrite magnet
    • Impedance: 32 Ohms each side, +/- 15%
    • Frequency Response: 20 - 20KHz
    • SPL: 113dB +/-3dB, 3dB output difference
    • Sensitivity: 98dB ± 3dB at 1kHz
    • Distortion: 5%
    • Volume Control: Inline
    • Plug: Backwards compatible USB 2.0
  • Cord: 4 core PVC construction, 5.5’ straight cord
  • Headband: Adjustable, polypropylene
  • Earcups: Noise-reducing, ABS plastic for durability
  • Ear Cushions: PVC Leatherette
  • Weight: 9.6 ounces, shipping weight 1 lb.
  • Carton: 40 pieces, 15 lbs gross weight
  • Commercial Warranty: 3 years, covering use in schools
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