The one that I received was a dud!

After following all of the directions to set up the earbuds, I experienced intermittent crackling and popping sounds despite being 10 feet away. Some static every now and again would be understandable. But several times an hour is inexcusable. The Sony headphone app looks like it had a lot of nice features, but I couldn't use it because of the earbuds' inability to connect to it. Even the noise cancellation was so so. I returned it in favor of noise isolation earbuds that performed better... And they were less than $30!

###

