Description Califone® Deluxe multimedia stereo headset with USB plug and microphone includes padded headband with replaceable foam-filled ear cushions and is made of plastic for durability. Califone? Deluxe multimedia stereo headset with USB plug and microphone offers noise reduction against exterior volume and controls sound individually. Headset consists of a 7' cord with in-line volume and mute control, mic on/off switch. This compact, adjustable headset is ideal for high speed internet listening, language learning and tutorials in computer labs and other multimedia applications as well as a web phone Recessed wiring resists prying fingers, with rugged ABS plastic headstrap and earcups to hold up to sustained use Headphone frequency response: 20 - 20000 Hz, Speaker: 40 mm mylar, Magnet: Ferrite cobalt Headphone sensitivity: 107 dB SPL +/- 3 dB at 1kHz, Input: 20 - 40 mW Ages group and grade: Grades K - 2nd Headphone input connection: Backwards compatible USB 2.0 plug, Earpad: Noise reducing ABS plastic, leatherette, Headphone R/L output difference: 3 dB, Headphone distortion: 5% Cord: 7' straight, attached volume control, permanently attached for classroom safety Microphone type: Electret condensor, Directivity: Omnidirectional Microphone sensitivity: -38 dB standard, min -35 dB, max -41 dB, Frequency range: 10 - 10000 Hz Microphone impedance: 1500 ohms +/- 15%, Operating voltage: 2 - 10 V Output connection: Backwards compatible USB activated host interface 1.0 / 1.1 / 2.0 Form factor: Ear-cup, Host interface: USB, Connectivity technology: Wired, Earpiece design: Over-the-head, Earpiece type: Binaural, Sound mode: Stereo, Microphone design: Boom, Driver type: Ferrite, Driver size: 1.57" Fully adjustable to fit all size Permanently attached cord with reinforced connection resists accidental pull out 7' cord with in-line volume and mute control, mic on/off switch High speed connectivity with backwards-compatible USB 2.0 plug with plug and play performance Windows/Mac compatibility Weight: 14 oz. Warranty: 2 years Specifications Brand : Califone Customizable : No Weight : 2.00 lbs. per Each
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