I have bought Fiio products through the years, but the support and lack of firmware updates and implementation of the UTWS5 makes me never want to buy another product. The Qcc5141 has multiple features and no development, anc, settings, even bluetooth codec selection has been implemented in the...

To be honest I didn't use it much, but from what I did it was good at using it as a mic and noise cancelation in general.

I just got the btr5 today and the version I have is 2.0, so I guess they have a new firmware?! Also to be honest, I think I liked my earstudio es100 better but haven't really messed with it much yet