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Title: Excellent passive noise isolation
Review: You have to get used to a very deep insertion into your ear canal, but when you get it right the isolation and sound are worth the trouble. The connectors and cables have stood up to hundreds of tugs and pulls (very durable). The 3 flange plastic tips are replaceable and I replaced mine after about 6-9 months of everyday usage. Cable movement noise and inside your head noise (chewing, breathing, etc.) are noticable, but this is the nature of most in ear canal phones. Due to good isolation, you can often use a lower volume which helps with protecting your hearing and extending your battery life.
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