User's Manual

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7) Waiting a call and put a call on hold
- This feature allows you to put a call on hold during conversation and answer a waiting call.
- Give the a long press (press approximately 1 second) to put an active call on hold and answer a waiting
call.
- Give the a long press to switch between two calls.
- Just press shortly to end a call.
Press ➜ ➜ ➜ buttons in order, then press button, and violet signal lights flicker and MFB-
E3100 Plus is initialized to the factory shipment state.
Please pair the headset again after factory reset.
 The USB port can be used for charging and data communication.
1)Consumers can use the USB port only for charging purposes.
2)manufacturers and authorized service centers use part of the DATA communication for firmware
modificationsand so on.
⚫ You can use 5 music modes and 2 sound effects.
While playing music, if you press button and or button at the same time for 1 second, the Music
Mode will be changed in order.
⚫ MSTS™ Tuning technology together with lossless compression codec Qualcomm
®
aptX™ & AAC codec
enables you to enjoy not only MobiFren sound but similar sound of various kinds of famous high end
earphones and you can select it as your preference. Now you will enjoy the music with the optimum sound
quality like as CD in wireless.
4. Factory Reset
5. Firmware Upgrade
6. Changing Music Mode