Sennheiser CXC700 Noise Cancellation In Ear Travel Headphones

Sennheiser’s inaugural travel headphones with NoiseGard digital and TalkThrough functions, Excellent passive attenuation of ambient noise, Audio transmission always works – even in passive mode and without the batteries

• NoiseGard / digital Active Noise Cancellation: Choice of 3 different modes to suit your listening environment.
• Excellent passive attenuation of ambient noise of 25 dB (for frequency range above 300)
• Audio transmission always works - even in passive mode & without the batteries
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• Box has been opened to inspect and test.