Prioritize iPhone when connecting August EP650 Bluetooth headphones?
These model headphones support Multipoint functionality, meaning you can connect them to two devices at the same time. 

Using multipoint

The procedure for using these headphones in multipoint mode is as follows:


Hold the + and - buttons to put the EP650 into pairing 
mode
Press the ▶ button to start multi-point pairing
Pair your headphones to your iPhone
Switch your headphones off
Press and hold the ▶ button until your headphones reenter pairing mode
Pair your headphones to your iPad
Use the Bluetooth menu on your iPhone to reconnect to your headphones


Now you can switch between your iPhone and iPad by pausing the music on the 
currently connected device to play music on the second device. In this way, both devices can be connected simultaneously.

NOTES: 


Switching devices can take up to 10 seconds.
When receiving a call on the iPhone, your headphones will automatically pause and resume once the call is finished, even if you were using the iPad at the time.