Although the noise cancelling function on these is very good for low frequency noise (aircraft engines etc.), it is not effective for higher frequency sounds - in fact, the user manual states this quite accurately.

These were bought to provide better sound quality for watching movies on long airline flights, & to reduce noise from noisy engines & passengers. They performed very well & have good balance between reducing unwanted noise & still allowing you to hear that an announcement is being made, or cabin...

Works really well for our small mixing table in a medium sized room with a large group of people singing that need to be filtered out.

I have been using these for the last couple of weeks travelling. They provide a reasonable level of noise cancelling for the price. The pouch is ~30% larger than more expensive Bose headphones, but fits easily enough into a travel bag. The replaceable AAA battery is handy as you can carry a spare battery rather than needing to recharge an integrated battery while travelling and the headphones continue to operate as conventional headphones even when the battery is flat (of course without noise cancelling). They can be easily plugged into aircraft entertainment systems either directly or with the supplied 2 pin connector. Recommended for...view more

Sounds awesome the noice cancelling works great but they can get a bit tight after wearing for a while. 7/10

Great for travel, really drown out other people on planes - form babies to sick people. Great range, a really impressive product for the price.