Active noise cancellation with NoiseGard technology: choice of three different modes to suit listening envoirment.
Functions without batteries in passive mode.
Small yet powerful 10 MM drivers and headphone factor allows users to sleep on their sides while traveling.
TalkThrough function enables users to communicate with others without removing the headphones.
Sennheiser's inaugural travel headphones with NoiseGard/digital and TalkThrough function. Engineered for discerning business travelers and frequent fliers.
This review is from: Sennheiser CXC 700 Active Noise-Canceling Ear-Canal Headphones
The product does a good job of elminating white noise or background engine noise when turned all the way up. For the price, I would just get high-quality in-ear phones....
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