These small but innovative in-ear headphones from Audio-Technica are part of a new wave of noise canceling buds that claim to block up to 85 to 90 percent of outside sound. They offer a nice blend of ultra-portability and compact tight sound. Their frequency response is awesome, with no sound leakage, though there does seem to be an issue with the treble range and it comes with an inconvenient cord length. Nonetheless, these little things are very useful when traveling.

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