Wireless Bluetooth earphone for communication noise reduction, truck driver customer service headset

1. Power on:In off status, long press and hold the multi-function button (MFB) for about 3s, headset turns on with
prompt tone, and the blue light flash 5 times quickly. The bluetooth headset enters into the reconnection mode, and
the blue light flash once per 5s. The headset will first connect to the last paired cellphone. Double-click the MFB
during the reconnection mode to enter the pairing mode.
2. Pairing:In off status, long press and hold the MFB for about 5s, headset turns on with prompt tone, and the
blue light flash 5 times quickly. The headset enters into pairing mode, the blue and red light flash alternately with
prompt tone. Operating cellphone to search for headset’s Bluetooth pairing name for pairing. The paired
cellphones need to be connected manually.
3. Power off:In power on status, long press and hold the MFB for 3s, the red light quickly flash 5 times with
prompt tone, that means power off.
4. Answer phone calls:When calls coming in the status of pairing, short press
the MFB to answer, it has prompt
tone.
5. Hang up phone calls:During answer a phone call, short press the MFB to hang up the phone, it has prompt
tone.
6. Reject phone calls:When a call is coming, press and hold the MFB about 2s to reject phone call, it has prompt
tone.
7. Volume Adjustment:When calg or listening to music, short press the button'+'to turn up the volume;
short press the button'-'to turn down the volume. It has prompt tone when the volume up to maximum and
minimum.
8.The Last Number Redial:During the standby status, double-click MFB to redial the last number which you
have redialed before, it has prompt tone.
9. Activating SIRI:During the standby status, press and hold the MFB about 1.5s to start cellphone SIRI (it
requests cellphone bluetooth support this function), it has prompt tone.
10. Voice transfer:When answer phone calls, long press and hold the button'+'about 3s, it has the prompt tone,
in the same time the voice will transfer from earphone to cellphone. Same op
eration to transfer voice fromcellphone to earphone.
11. MUTE THE MIC:During a call, long press and hold the mute button about 1s to mute the Mic. Same
operation to unmute the MIC, it has prompt tone. After mute the MIC, it has prompt tone per 5s.
12.Play / Pause Music:Short press the MFB to play / pause music.
13.Play Previous / Next song:Long press and hold'-'button about 1.5s to play previous song, long press and
hold'+'button about 1.5s to play next song.
14. Dual Connection:
A. Connecting with the first cellphone successfully
B. Turning off the earphone and restart it to enter into the pairing mode
C. Searching and connecting with the second cellphone;
D. Then connect with the first cellphone manually, now headset connects with two cellphones.
15. Battery Display:After the Bluetooth headset is connected with iPhone successfully, earphone battery level is
displayed on the iPhone.
16.Removing pairing:In turned on status, long press and hold the MFB first, then press and hold the '-'
button
soon for about 5s, it has the prompt tone. After the red light flashing quickly, it means the pairing is removed.
Earphone is in the pairing mode automatically after removing pairing
18. Exit pairing mode:
A. If no connection in the pairing mode, after 5 minutes, it will exit the pairing mode and enters into the standby
mode. It will automatically turn offter 5 minutes of standby.
B. When the paired cellphone disconnects, then it will enters into the standby mode, and automatically turn off
after 10 minutes of standby mode. (Double-click the MFB during standby mode to re-enter into the pairing mode).
C. When the distance between the headset and cellphone exceeds the normal distance (approximately 10 meters),
the bluetooth is disconnected. And the earphone will enter into the reconnect mode. During the disconnection, the
blue light of the headset will flash twice per 6s, and there is the prompt tone once per 15s. When it returns to the
range of normal connection distance within
5 minutes, the headset will automatically reconnect to the paired
cellphone, otherwise it will enter into the standby mode after 5 minutes, and it will automatically turn offter 10
minutes of standby.
20. Battery status indication:
A. When the battery voltage is higher than 3V and lower than 3.3V, the red LED flash twice per 12s, and there willbe prompt tone for about per 60s.
B. Automatically turn off when the battery voltage is lower than 3.0V.
21. Automatically connect back: (including two cases)
A. When turn on the bluetooth headset, it can automatically connect to the last paired cellphone.
B. When the communication between the headset and the mobile phone is far beyond the normal distance (usually
more than 10 meters, that is k loss), the headset will automatically reconnect to the paired cellphone when it
returns to the normal communication distance within about 5 minutes.