The app is great when it works which unfortunately is maybe 1 in 20 times. Can't connect to my Beoplay HX it just says connecting. I've provided the app with all permissions needed, even the location access which they state is for the Bluetooth (no other BT headphones apps need this permission but ok), restart both headphones and Bluetooth every time I want to use it but it's still hit or miss. So when you setup your headphones choose a good all-around EQ because you won't be able to change it