Bluephonic Libre User manual

Libre User Manual
Please read the instructions
carefully before using
the product

Earbuds Structural Component Description

Charging case Structural
Component Description

HOW TO CHARGE
Once you receive the Bluephonic Libre true wireless earbuds,
charge the charging case with the USB charger that comes with
the package.
Make sure that both earbuds are located in the slots properly
inside the case.
1. Place the Libre into the charging slots of the charging
case individually, the earbuds will be charged
automatically
2. Once the charger case is closed it will start charging the
earbuds automatically
3. Make sure The LED light of the charging case is Red
while charging
4. When earbuds are fully charged, the red LED lights will
turn to blue.
Attention: When the earbuds has been put into the charging
case, if the charging case right and left LED shines it shows the
earbuds is charging. To prevent over discharge, do not keep the
earbuds in the charger case for more than 6 months at a time.
LOW POWER WARNING
Red LED flashes when battery charge is low, accompanied by a
“Battery low, please recharge” prompt tone.

HOW TO PAIR EARBUDS WITH YOUR
DEVICE
IMPORTANT - Right earbud cannot work without pairing the left
earbud first.
You can use the left earbud as single earbud, but you cannot use
the right earbuds a single.
After you have charged the earbuds, take out the earbuds out of
the charging case
STEP ONE
1. Put the earbuds in your ears, press on both earbuds main
button.
Press "Long press" for about 4 seconds to turn them on.
You will hear the “POWER ON” prompt tone in both earbuds.
2. Both earbuds will automatically enter the pairing
mode - You will hear "PAIRING"
3. Both earbuds will automatically complete the connection.
The right channel earphone prompts “RIGHT CHANNEL”, and
the left channel earphone prompts “LEFT CHANNEL”, Then you
will hear "CONNECTED"
4. Once the connection is successful, the left channel earphone is
kept in a pairing state
The right channel earphone is in the connected standby state.
DO NOT try to pair the earbuds to your Bluetooth device before
the earbuds are paired to each other.

STEP TWO
Now you can activate the mobile phone Bluetooth search
function, find the earbuds “Libre” and select it to pair. You will
hear the “SECOND DEVICE CONNECTED” prompt tone.

FEATURES
TURN ON/OFF
Long press on right and left earbuds main button for 2 seconds to
turn on;
Long press on right and left earbuds main button for 4 seconds to
turn off (When you are finished with the earbuds, turn off either
one of the earpieces and the other one will turn off at the same
time).
ANSWER PHONE CALL
When you receive a phone call, accompanied by the “call
reminder” voice prompt, click the main button on the left/right
channel earbuds.
HANG UP PHONE CALL
While in the call, press the main button once, and get the the “end
of call” prompt tone.
REFUSE PHONE CALL
As your phone rings, long press the main button until you hear the
“Du” prompt tone. Release the button and the phone call will be
refused.

AUDIO TRANSFER
During a call, long press the main button of the left/right channel
earbuds until you hear the “Du” prompt tone, then release the
button. Repeating this process enables you to switch between
mobile phone and earbuds audio.
CALL AND SILENT MODE BUTTON
During a call, double-click left/right channel earbuds main button
and you will hear the “open silent mode” prompt. If you repeat this
process you will hear the “closed silent mode” prompt tone.
NEXT SONG
When playing music, double-click the main button to skip to the
next song.
PLAY/PAUSE
When playing music, click the main button once to control the
pause/play function.
SCAVENGING PAIRING RECORDS
In the pairing state, double-click the main button once and you
should see a single flash from the red LED light.
AUTO RECONNECTION
After boot up, the earbuds will auto-pair with the last paired
device. If you are using a single earpiece, short press the main

button for a prompt tone. After 5 seconds, the earbuds will
reconnect automatically.
THREE-WAY CALLING
In a phone call, if you receive another call you can short click the
main button once to retain the current (A) call and connect the
new (B) phone call. Double click main button to switch between
A/B phone calls.
SIRI OPEN/CLOSE SOUND CONTROL
Long press on left and right channel main button until you hear
the “Du” prompt tone (approx. one second) then release. The
sound control can be cancelled by repeating the operation.
IOS BATTERY DISPLAY
After connecting to a device with the iOS system, the earbuds
battery charge status will be displayed on the iOS device.

Indicator light
LEFT&RIGHT PAIRING MODE
(Red and blue LED) fast flashing at the same time, lasts about 60
seconds.
POWER OFF
Red led light flashes slowly and then goes out.
IN A PHONE CALL
When phone call is received, blue LED flashes slowly. When you
answer the phone call, blue LED light goes out.
FINISHED CHARGED
Red LED goes out.
CHARGING
Red LED stays on continuously.

Specifications
Product No: Bluephonic Libre
Bluetooth Version: Bluetooth V5.0+EDR
Charging Case: 51x50x31mm
Charging case battery capacity: 3.7V/700mAh Li-
polymer
Earbuds battery capacity: 3.7V/50mAh Li-polymer
Support agreement: A2DP, AVRCP, HSP, HFP
Operating freqency: 2.4G ISM(2.402-2.480ghz)
Ohms: 32±15%Ω
Sensitivity: 100±3DB
Frequency range: 20-20KHZ
Output power: 3-5nw
Fully charging time for charging case: 5V/1A
about 3 hrs
Earbuds fully charging time: About 1.5 hours
For comments & questions:www.bluephonic.com