noise canceling headset

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Origin:

China

This kind of noise canseling aviation headphone employs an electronic circuit that reduce ambient noise and improves audio reproduction quality to enhance your listening experience for high-quality,disturbance-free music no matter how noisy the environment.Its foldable and compact design makes it ideal for the consumer for use in airplane,train and bus when traveling.
The follow is the technical parameter :
1:Noise Canceling Rate:10-15dB
2:Frequency range: 20-20,000HZ
3:sensitivity:102dB
4:Max Input Power:500mW
5:Active Noise Attenuation:100-1,000Hz  10dB at 300Hz
6:Jack Size: 3.5-6.3mm plug and airplane jack
7:Cord Length:2.1m
8:Power Supply:2*AAA1.5V batteries.

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