What is the function of the button on headphones?
Conventional headphones buttons can have three or just one button and their functions are to increase or decrease the volume, answer calls, or pause your playlist.
How to configure your headphones?
If you want to configure your headphones, you must download the SmartKey application on your mobile phone. The app belongs to the Sony brand and is completely free, that's why it can be found on the Play Store for Android.
With the use of the app, it is possible to configure the function of the headphones button with various options to start listening to music, receive calls, or stay on silent.
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