Califone 3066-USB Deluxe Multimedia Stereo Headset with USB Plug, Flexible Omni Directional Microphone, Around Ear Ambient Noise Reducing Earcups, In-line Volume Control, Pack of 30

Key Features
- Pack of 30 3066-USB Deluxe Multimedia Stereo Headset
- Recessed wiring resists prying fingers, with rugged ABS plastic headstrap and earcups to hold up to sustained use
- Fully adjustable to fit all sizes
- Permanently attached cord with reinforced connection resists accidental pull out
- 7-ft cord with in-line volume and mute control, mic on/off switch
- USB plug with Plug and Play
- Flexible gooseneck with electret mic and built-in wind screen to reduce recording of unintended sounds
- Noise-reducing earcups lower ambient noise
- Replaceable leatherette ear cushions
- Slotted baffle prevents access and avoids accidental speaker puncture

Specifications
- Headphone
- Speaker: 40mm Mylar
- Magnet: Ferrite Cobalt
- Frequency Response: 20-20000 Hz
- Sensitivity: 110dB SPL ± 3dB at 1kHz
- Input: Min. input 20 milliwatts, max. 30 milliwatts
- R/L Output Diff: 3 dB
- Distortion: 5%
- Input Connection: Backwards compatible USB 2.0 plug
- Earcup / Earpad: Noise reducing ABS plastic, leatherette
- Cord: 7-ft straight with inline volume control
- Microphone
- Type: Electret condensor
- Directivity: Omni-directional
- Sensitivity: -41dB, standard -38dB, max -35dB
- Frequency Response: 20-16000 Hz
- Impedance: 1500 Ohms ± 15%
- Operating Voltage: Nominal +3V; accepts 1.5V-10V
- Output Connection: Backwards compatible USB activated host interface 1.0 / 1.1 / 2.0
- General
- Weight: 0.75 lbs (12 ounces) each
- Shipping weight: 2 lbs each