Excerpt: My second Panasonic purchase of late. These are active noise cancelling earphones, which is not apparent in the product details here at ciao, unless you peer rather closely at the picture. Technically they work, but I don't like them. Here's why. --- What is noise cancelling?
Pros: Lightweight, sounds good, looks good, volume control
Cons: Has to be uncomfortably tight to make noise cancellation work