They certainly do what they're supposed to! Seven more characters done!

The only snag is that the earpiece sticks out making sleep difficult on long haul flights, but this is a minor issue.

Bought these earphones for a long haul flight and they worked wonders. Was sitting at the door as I had booked extra leg room seats so it was the noise was greater. Clicking the noise reduction feature cancelled this out. Excellent product. Just remember to switch off noise reduction and charge it.