The crackling is so loud rendering the headsets unusable.

A couple of hours in, the left ear began making a faint crackling noise

The product itself is a beautiful pink color and comes beautifully packaged, but on the side that is designated to go on the Right ear, whenever I walk, and just at a regular pace, the plastic makes a loud crackling noise.

ConsIncessant and irritating crackling when in noise canceling mode

The music still plays, but there is this annoying crackling.

When noise cancelling is on, it makes weird crackling sounds

The Fit, is as good as, or better than a much higher priced

On the three phone calls I received each person asked me to repeat myself/or said that I sounded far away.-A bit bulky as in space they take up

As for the Bluetooth functionality, it seems to work as you'd expect

This means all the bass is gone, and high treble is lost as they try and electronically nueter the sound as it blocks the external noise out.

I have returned the item and Cowin has lost a

I use them around the house as well as in the gym

I did the tests with Bluetooth as well as with the patch cord