We bought these headphones for my nine year old son for Christmas and they have performed very well for the past 10 days. He uses them to listen to videos on the iPad so he can be with us, and we won't have to hear the sound from the videos. I have not noticed any noise bleeding from the headphones, so they appear to contain the sound very well. Time will tell how durable these headphones turn out to be, and performance has been very good so far.
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