| 1. | Philips Headphones SHN2500 User Guide 70 Less External Noise Active Noise Canceling Switch on to switch off with these in ear noise canceling headphones that actively reduce irritating external noise by up to 70 They come with a variety of 3 cap sizes to ensure a perfect seal amp comfortable fit Ideal for planes amp trains Optimal listening in noisy environments Compact electronics eliminate unwanted external noise by 70 Creates a perfect seal for perfect sound Made to fit you and your lifestyle |
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