1. Power ON：Long press the MFB key for about 2 seconds, red and blue lights
flashing alternately with the shutdown prompt tone.
2. Power OFF：Long press the MFB key for about 3 seconds, and there is a hint of
sound "drop" sound.
3. Pair connection：Open the connection device Bluetooth click search to find the
corresponding item name Click pairing, the pair of successful blue lantern flash, and
a voice prompt "drop" sound.
4. Answer phone：Click the state of the FMB button once, there is a hint of sound
"drop" sound.
5. Hang up：Click the state of the FMB button once, there is a "drop" sound.
6. At the end of number redial：Phone and Bluetooth headset connection standby,
double-click the FMB key once.
7. Reject a call: call state long press FMB key for about 2 seconds to release, and a
tone to "drop" sound.
8. Cancel dialing: press the MFB key once in the dialing status and have a "drop" of
the prompt.
9. Low power alarm: the voltage is lower than 3.2V will prompt "drop" sound.
10. Low power off: when the battery voltage is lower than 3.0V, the headset will
automatically shut down.
11. Automatically back even: connect the pair the headset with mobile phone,
mobile phone and Bluetooth headset is open and shut down after the restart, the
Bluetooth Bluetooth headset automatically back even when the mobile phone will
leave; and disconnect the signal beyond the range, about 3 minutes back about 5
meters of Bluetooth will automatically connect back.
12. Music play / pause: with the phone connected to open the player under the
status of a short press the FMB key, music playback.
13. Three party call: in the first call to answer the call, there are second calls, if you
press the FMB key can pick up the second calls, to retain the first calls. Press the FMB
key again, continue to call first calls, hang up the second calls.
1. TWS intelligent headset pairing: two Bluetooth headset and long press the MFB
button for about 3 seconds with red and blue lights flashing on the voice; when two
headset choose one long press the power button to enter the ears about a second
pairing, after successful pairing with the host red and blue lights flashing blue lights
Single Bluetooth ear basic function operation
TWS ear Bluetooth headset operation
