| Function | Operation |
| General | |
| On/Off | Press and hold the Power button for 3 seconds |
| Mode switch (Bluetooth/Micro SD/AUX) | Short press M button once |
| Voice prompt On/Off | Press and hold + and - for 3 seconds |
| Call Related | |
| Answer a call | Press the MFB once |
| End a call | Press the MFB once |
| Reject a call | Press and hold the MFB for 2 seconds |
| Redial last number | Press and hold the MFB for 2 seconds |
| Music Related | |
| Play music | Press the MFB once |
| Pause music | Press the MFB once |
| Next track | Press and hold the + button |
| Previous track | Press and hold the - button |
| Volume up | Press the + button once |
| Volume down | Press the - button once |
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