Huizhou Ovann Industrial Co. Ltd F4PLUS 用户手册
Sketch Map
Specification
Size：103*91*30mm；Weight：12g
Bluetooth Version：V3.0
Surporting Protocal：HSP、HFP、A2DP
、AVRCP
Transmission Distance：10M
Match Code Name：F4 Plus
Password：0000
Frequency Response：20Hz～20KHz
Music playing time： around 5 hours
Calling time：around 5 hours
Stand-by time：around 150 hours
Working temperature：0～40℃
Storage temperature：-20～60℃
Operating Instruction
Starting up：
When the power is off, keep pressing the MFB for
3 Secs, the trumpet would utter a warning sound,
the blue light would flash. When it’s done, the
headphone will connect automatically to the
bluetooth device.
Answering a call：
When the device stand by or playing music, press
the MFB to answer a call. When the call is finished,
music playing will resume.
Ending a call：
When the call is on, press the MFB and end the
call, music playing would resume.
Rejecting a call：
When a call comes and you don’t want to answer
it, press the MFB for 2 Secs to reject it.
Mute mode
When on a call, press the volume +/- button
for 2 Secs, you can enter the mute mode.
Every 10 seconds there would be an sound
reminding you are in a mute mode.
Shutting down
When the power is on, keep pressing the MFB for
4 Secs,the trumpet would utter a warning sound,
the red light would flash. At the same time the
working connection would disconnect.
Pairing
When the power is off, press the MFB for 6 Secs,
the trumpet would utter a warning sound, the red
light and the blue light flash alternately, which
means the device is under pairing condition. After
three minutes pairing, the pairing process would
stop automatically if no device connected.
Operating Instruction
Remove the mute mode：
When in a mute mode, press the Volume +/- button
for 2 secs and you can disfunction it
can resume the first call. If you just press
the MFB，you cut the first call and answer the
second.
Connecting to two devices：
a.When one device is connecting to the headset,
disconnect it
b.Press the volume +/- button simultaneously，the
red light and blue light would flash alternately,
reentering to the pairing status.
c.Swith on the bluetooth of the second device and
start searching，the “F4”would show up on the
screen,connect it.
d.Connect the first device to the headset.
e.Connection completed.
Redialing：
When the headset stand by or is playing music,
press the MFB twice quickly, the phone will redial
your most recent dial and the music will stop.
Voice dialing：
When the device stands by, keep pressing the
MFB, you can activate the voice dialing function of
your phone.For further details, please refer to the
manual of you phone.
Cancelling voice dialing：
Press the MFB when you are voice dialing and
Swithing the call between phone and head set：
when on a call,press the MFB twice quickly, the call
will switch to your phone. Repeat this movement
and you can switch it back.
Call forwarding ：
While on the line with the first call and the second
call come in, press the MFB for 2 Secs , reject the
second call and resume the first. Press the volume
+/- simutaneously you can answer the second call
and keep the first waiting. Repeat this movement
and you press+/- back to the 1st phone call.
Operating Instruction
Pakage Contents
Matters need attention
Reconnecting：
If the headset and your phone disconnect, press
the MFB and it will
the MFB and it will
reconnect.
Indication Status of the LED light.
Charging——Red light on
Charging Completed——Blue light on
Standby mode and connecting mode——Blue
light flash twice within 5 Secs
On the line——Blue lighe flash twice within 3
secs.
Calls come——Blue light flash rapidly
Low Battery——Red light flash once with 20 S
Pairing——Red light and blue light flash
Music pause and playing：
While music is playing, press the MFB once and
music pause.Press it again and it resumes.
Volume up：
Press the + button and the volume turn up. When it
reaches the maximum, there would be
reaches the maximum, there would be
a
Volume down：
Press the - button and the volume turn down.
When it reaches the minimum, there would
When it reaches the minimum, there would
be
The next music：
Press the + button for two Secs and the music
will switch to the next piece.
The previous music：
Press the - button for 2 Secs and the music will
switch to the previous piece.
1. Don’t carsh、strike、drop、distort the headset
and don’t disassemble it
2. Stay away magnetic field and moisture and keep
it under the temprature of -10℃-60℃
3. Don’t use corrosive liquid to clean the headset
4. Don’t overcharge the battery.
5.Charge and release the bettery regularly to
Headset x1，Charging line x1，Specification x1，
Warranty Card X1
Charging port Microphone
Functional Key：Volume+ -/Switch to the next
or the previous
Multifunction Button(MFB)：On/Off /Answering
Calls
F4
深圳市福田区滨河大道5022号联合广场A座3705室
Room3705, United Plaza A, 5022 Binghe Road ,Futian District,Shenzhen,518035 China.