Andrea EDU-455M Over Ear Stereo Mobile Headset with 3.5mm Jack Plug

• Microphone/Speaker Plug 3.5 mm 
• Noise Cancellation - 5dB/octave
• Frequency Range - 100-10,000Hz
• Electrical Signal-to-Noise Ratio - >60dB
• Sensitivity at 1kHz (0dB=1V/Pa) - -44dB
• Current Consumption - <0.5mA
• Frequency Range - 50-20,000Hz
• Coil Resistance - 32 ohm
• Sound Output from 1kHz 1mW Input (0dB=20µPa) - 114dB
• Maximum Input Power - 40mW
• Passive Noise Reduction - >13dB

Designed for mobile devices, the Andrea Communications EDU-455M headset offers unparalleled speech and sound clarity and includes a convenient in-line volume control. The exclusive noise-cancelling microphone with internal windscreens, which minimise breath popping, has been awarded the coveted "6 Dragon" rating for speech accuracy by Nuance. The heavy duty rigid boom and swivel allow for perfect microphone placement. Extra-thick leatherette ear cushions block out surrounding noise. An adjustable dual headband ensures a comfortable fit even on smaller heads.

• Proprietary noise-cancelling microphone with internal windscreens.
• Heavy duty rigid microphone boom and swivel.
• 40mm speakers with deep bass sound deliver crystal clear audio.
• Large circumaural (over-ear) cups reduce up to 75% of background noise.
• Plush, extra-thick leatherette ear cushions are easy-to-clean and replaceable.
• Adjustable dual headband for a comfortable fit.
• Convenient in-line volume control.
• Extra long 8-foot cable with single 4 pin 3.5mm plug suitable for tablets including iPad®, laptops including MacBook®, and most smartphones including iPhone®.
• Well-built and cost-effective.
• Certified safe for use by children in accordance with the United States Consumer Product Safety Commission.

Compatibility:

• PC: Windows 8, Windows 8.1, and Windows 10
• Apple: Mac OS X 10.5 and higher