The Multi-Functional Button (MFB) lets you answer, end, or reject calls, control your music, and use voice assistance such as Siri or Google Assistant.
|Call – Answer / End Call||Short press (one second)|
|Call – Reject Call||Long press (two seconds)|
|Music* – Play / Pause Music||Short press (one second)|
|Music* – Track Forward||Press MFB and Volume Up “+” button|
|Music* – Track Backward||Press MFB and Volume Down “-” button|
|Voice Assistant (Siri, Google Voice)||Long press MFB button|
|Headset Status, checks connectivity and battery life||Short press Volume Up “+” and Down “-” buttons|
*Music control depends on the application. It may not work with web-based applications.
NOTE: When using dual connectivity, the Bluetooth connection is prioritized over dongle connection.