The superb-sounding Altec Lansing AHP712i headphones with Active Noise Reduction are ideal for the frequent traveler and anyone in a noisy environment. Active Noise Reduction technology uses small microphones to 'listen' to ambient sounds and special circuitry to create a sound wave 180 degrees out of phase from the ambient sounds. When the sound wave is played through the headphones, it reduces ambient noises, such as airplane engines and subway rumbles, to allow you to focus on your music, movies or games. (MSRP $149)

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Manufacture Specifications:

• Over-the-head design style
• Primary plug is 3.5mm
• Adjustable deluxe padded headband and leatherette ear pads for long lasting comfort
• Foldable design for easy packing
• Handy multi-function controller for adjusting volume and noise reduction on/off
• Noise Reduction > 19 dB from 40 Hz - 12 kHz
• 40 mm Neodymium drivers
• 20 Hz - 20 kHz frequency response
• Impedance - 32 ohms
• Requires 1 AAA battery

Package contains:

• Altec Lansing AHP-712i headphones
• Carrying bag with velcro sealed accessory pouch
• Two choices of cable lengths (approx 20" & 80")
• Airline Adapter
• 1/4" adapter