Califone 3066AV Stereo Headset, with Microphone

The Deluxe Stereo Headset is designed for language learning in today’s classrooms and are ideal for computer labs and other multimedia applications.Features:Rugged ABS plastic headstrap with recessed wiring resists prying fingers for classroom safetyFully adjustable headband fits all sizesNoise-reducing earcup lowers ambient noise so volume does not need to be as high, as recommended by audiologists for hearing safetyVolume control conveniently located on ear cupPermanently attached 7’ straight cord with reinforced connection resists accidental pull out. Widely used 3.5mm mini plugsTwo jacks: one for mic and one for headsetElectret mic on flexible gooseneck with built-in wind screen reduces accidental recording of unintended soundsSlotted baffle prevents speaker access, avoiding accidental cone puncturingReplaceable leatherette ear cushions“Comfort sling” for user comfortWindows and Mac compatibility (not iMacs)One year warranty for school use - unlike headsets purchased at consumer electronics stores whose warranties would be voided if used in schoolsSpecifications:HeadphoneSpeaker: 40mm MylarMagnet: Ferrite CobaltImpedance: 300 Ohms ± 15% each sideFrequency Response: 20-20,000 HzSensitivity: 110dB SPL ± 3dB at 1kHzInput:Min. input 20 milliwattsMax. 30 milliwattsR/L Output Diff: 3 dBDistortion: 5%Input Connection: 3.5mm, black jacketed, nickel plated stereoEarpad: Black leatheretteCord: 7’ straight, attached volume control, permanently attached for classroom safetyMicrophoneType: Electret condensorDirectivity: OmnidirectionalSensitivity:-41dBstandard -38dBmax -35dBFrequency Response: 20-16,000 HzImpedance: 1,500 Ohms ± 15%Operating Voltage: Nominal +3V; accepts 1.5V-10VOutput Connection: 3.5mm, red jacketed, nickel plated stereoTotal Weight:14 ouncesShipping weight 2 lbs.Warranty: 1 year from date of purchase for school use, church and government facilities Califone 3066AV Stereo Headset, with Microphone.