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Califone Stereo Black Headphone W/ USB Plug Via Ergoguys / Mfr. No.: 2800bk-USB

Califone Stereo Black Headphone W/ USB Plug Via Ergoguys / Mfr. No.: 2800bk-USB
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Item Number: erg-2800bkusb
Vendor Number: 2800BK-USB
Vendor: Ergoguys
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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.

General Information

ManufacturerCalifone International, Inc
Manufacturer Part Number2800BK-USB
Manufacturer Website Address
Product LineListening First
Product Series2800
Product Model2800BK-USB
Product NameListening First Stereo Headset
Product TypeHeadset

Technical Information

Connectivity TechnologyWired
Cable Length5.50 ft
Sound ModeStereo
Distortion< 5%
Impedance32 Ohm
Minimum Frequency Response20 Hz
Maximum Frequency Response20 kHz


Earpiece DesignOver-the-head
Earpiece TypeBinaural
Driver TypeFerrite
Driver Size1.18"
Earpiece Sensitivity98 dB


Microphone TechnologyElectret
Microphone DesignBoom
Microphone Sensitivity-46 dB


Host InterfaceUSB


Earpiece ControlsOn/Off Switch
Microphone ControlsMute

Physical Characteristics

Form FactorCircumaural
Weight (Approximate)9.60 oz


  • Smatphones
  • Tablet PCs
  • Desktop Computers
  • Laptops
  • iMac
Certifications & StandardsCPSIA


Limited Warranty2 Year