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.
Function | Control |
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.