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Use these headphones to block out noise, listen to music, or do both at once!

Sennheiser HDC-451 Ultra-Light Noise Canceling Headphones for Airline Travelers

Features:

• Reduce low frequency cabin noise by 10dB

• Improve quality of audio signals in noisy environments

• Open air headphone design

• 20Hz - 18kHz

• Includes 1/8" stereo mini jack plug with twin adapter and 6' single-sided cable

• Require 2 AA alkaline or rechargeable NiCAD batteries

• Headphone works without batteries

• 2 year parts and labor warranty

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