Bluetooth headphones for running from AliExpress

You know how musiс energize you during your workout. Cords - it is a problem. Since i bought 7 iphone, i started to seek good and not pricese headphones for my daily workouts.
You know, i love AliExpress and i think it's a best place to buy something.
 
I found it 
 
Please welcome the best headphones with cheaper price. I know, somebody can say that sound is not so clear like in expensive headphones. I didn't catch difference. I use this headpones everyday, i love it.