Just wanna give an update on this product (that I definitely DON'T recommend to anybody). After months of suffering with Cayin N5ii, their weak support, terrible device performance & almost-never-happened firmware updates, etc. The worst experience for 500$ ever in my life. Folks, I bought a 100$-DAP (Shanling M0) for jogging/gym and it's just amazing. For 100$ it does the same as Cayin N5ii but better. Yeah, yeah, sound-wise Cayin a little better, of course, but it's 500$ crap that works as a crap overall in terms of UI/UX/etc. And I'll continue saying that, and no, because people have to know what a crappy product this Chinese company produces and gives no care abt their customers when someone can produce a 100$-product that works like a charm. And the amount of issues with Cayin's DAP raises every month. How stupid I was to choose this DAP, because all that reviews are a couple-of-days articles that never say 100% true abt gadgets and pretend they are pros that can judge abt anything after 2 days of usage of any device, which covers mostly even less than a half of real device's performance/features. Cayin, sorry, I'm angry with you. You, guys, you are the worst company on DAP's market. This is my opinion made by months of using your product that you never fix, never try to fix and even don't make proper excuses. Shame on you.