I was wondering then these things would go on "sale" sort of. These
incredible headphones will make you completely oblivious to your surroundings.
Perfect for traveling, these things will cancel out airline engine sound during
flight and hush out the continuous howl of turbines and mute in-flight sounds.
Whether you are listening to other audio or not, so you can finally sleep in
peace while traveling. Check it out! HAMMACHERSCHLEMMER