Not sure if am right but I read that Music goes over USB, but phone calls go over Bluetooth

My job requires that I travel a lot and I like to listen to music. Most of the new SUV's don't have aux ports anymore so I now listen via android auto. I had to download android auto apk and install the app on sony nw-zx507, I couldn't get the android auto to work on Toyota Highlander, but it...

why did you prefer ZX507 over Hiby R6 Pro Also what is the headphone you are using with the ZX507

I am looking at buying Hiby R6 Pro/ Sony NW-ZX507/ Ibasso DX 160 My music sources are Amazon Music HD, Spotify, Tidi Hifi and 400gb micro sd with Flac music files which of the above should I buy.. most important to me is sound quality. I am also looking at Massdrop x Sennheiser HD 6XX...

I wish this is in US

I listen to music mostly on the go because of the nature of my job. I had LG V40 and it was nice, I wanted something better so I bought Cowon Plenue D High Resolution Music Player 32GB which I really liked. I sold the Cowon Plemue D and bought Cowon PM2-128SL Plenue M2 PM2 High Resolution...