I'm David Carnoy executive editor for cnet.com and to a DJ bird. Blue blood X -- these are these Bluetooth wireless model and they are designed for sports -- sports -- model. And they claim to fame of -- -- your phones. If -- they fit securely in your ears because they have these little wings on and you can put the wings on two different ways for one over the top of the insider here. And one that kind of toxin -- it. The best thing about these earphones is that they are small typically. Bluetooth -- phones are a little bit bigger they have a bolt your back to them sometimes of this one has a thin cord. And the bugs themselves are actually quite small on the other important thing is -- delivered eight hours of battery life. Typically when you go this small with Bluetooth your phone you just can't get that battery life. On and these are also sweat proof. I've been testing and -- for a few days and I like them a lot that you offers a secure fit. You have to find the bite bite size as well as the right wing us to do -- left wing that as well. But these are well fitting in -- Bluetooth headphones also sound good because if you can get a tight seal that really helps the base with -- Bluetooth earphones. They don't sound as good as a wired and all but these do sound very good for a Bluetooth -- -- The only real drawback here is the price these are 170 dollars list that is pretty expensive. Or sports headphones you can get wired -- the cost significantly less that deliver little bit better sound. But you wanna -- set of Bluetooth ear phones to run in com or -- other sports in this certainly fits the bill. These are the for watching --