Unfortunately my device is faulty, my friend has one and loves her though! 

I first thought I had wasted money obviously couldn't return it after using it, so I continued to use it every wash soon got used to it and I love it now. I have short bobbed hair so maybe not the size brush for my hair but I like the volume it gives and I find it's easier styling the back of my hair. Havnt used the dry setting much so havnt got the hang of that I find straightners better for my hair. Although i like the blow dry brush i should have gone for smaller barrel cheaper blow dry brush because I'm not using it for its full use.

Brilliant product, drys hair very quickly and hair appears very smooth after it. 

This bulrush makes my hair so smooth. They looks healthy and I can use it on wet or dry hair 

I love it my hair are soft, shiny and they have volume. One minus it’s a bit loud