Model：BTR3
English Bluetooth Headphone Amplifier
Buttons and Ports Labeled/
Operation Explained
3.5mm headphone port
Type C USB charging port
Clip
Power
Lanyard hole
Status indicator
NFC detecting area
Microphone
C:Vol down / Next track
A:Multifunctional
button
B:Vol up /
Prev. track
Functions & Operations
•Power on/off: Hold the Power button for
about 3 seconds until the blue light flashes for
three times, and the device will then power
on/off.
•Reset: Hold the Power button for about 10
seconds at any time.
•USB DAC mode: can be switched to Manual / Auto
mode via the App.
English Bluetooth Headphone Amplifier
Auto mode: connect it to the computer and then
select it as the audio output device to play music;
the white light will stay steadily on;
Manual mode: connect it to the computer and then
click the power button for 3 times; the white light will
stay steadily on.
•Firmware upgrade: Please go to
https://www.fiio.com/supports to get the detailed
instruction.
•Enter pairing mode
1. After powered on for the first time: the device would
automatically enter the pairing mode, and the red and
blue lights will flash alternately.
2. Force the device to enter Pairing mode: Hold the
button A for about 5 seconds when the device is on,
and the red and blue lights will flash alternately.
3.Clear current pairing: Hold the button B and C at the
same time for about 5 seconds when the device is on.
4. The BTR3 supports connecting with two devices at
the same time.
•Enter reconnecting mode
1. After disconnection, the blue light will flash twice
every two seconds; click the button A to reconnect.
2. After the device restarted, it will reconnect to the
last connected device automatically.
English Bluetooth Headphone Amplifier
•Operation instruction after a successful pairing:
Play/Pause/Answer phone call/End calling/Cancel a call:
Click button A.
Reject phone call: Hold the button A for about 2 seconds
when there's an incoming call.
Volume up/down: Click button B/C turn up/down the
volume.
Switch songs: Hold the button B/C about 2 seconds to
switch to the previous/next song.
Switch between input devices: can be switched to
Manual / Auto mode via the App when paired with two
devices via Bluetooth.
Auto mode: it's required to pause one device and start
the other manually;
Manual mode: double click the power button to switch
between the devices.
Activate Siri: Double click the button A.
•One-touch NFC pairing:
When the BTR3 is on and the Android device is unlocked
with NFC enabled, get the two devices touched by the
NFC detecting area to start the pairing.
Indicator Display
1. Status indicator display (when not playing)
Status Blue light Red light
Indicates the
1. Low battery
Off
warning
current working
status
English Bluetooth Headphone Amplifier
2. Device
connected
3. Charging
4. Charging
completed
2. Indicator display of different input codecs
(when playing)
Codec
In normal state
Flashes once
every 3 seconds
Indicates the
current working
status
Low battery
warning
Off
Charging
SBC
AAC
aptX、
aptX LL
aptX HD
LDAC
LHDC
Blue light pulsates
Cyanic light pulsates
Purple light pulsates
Yellow light pulsates
White light pulsates
Green light pulsates
Red light
indicates
the current
working
status
Codec
indicator
stays
steadily
on
Notification Sounds
There will be notification sounds under the following
status: Power on, power off, pair, connect, clear pairing
history,Max. volume, low battery warning and pairing
disconnected.
English Bluetooth Headphone Amplifier
Notes and Precautions
★It's recommended to charge the device using a
standard 5V charger.
★Please don't place the device in circumstance of
excessive high/low temperature (above 45℃ or
below 0℃)
★Please keep the device away from liquids to avoid any
damage to it.
★If the device is to be left unused for a long time, please
recharge it periodically to preserve its battery life.
★Please adjust the volume to a suitable level before
putting on the earphones to protect your hearing.
★Please do not disassemble, damage the battery, or
drop it into fire; it's prohibited to continue using after the
battery is soaked in water.
List of Items Included
BTR3*1 Type C USB cable*1
Lanyard*1 Quick start guide*1
Warranty card*1
Learn More
To learn more about the product, please visit our
website: www.fiio.com.
English Bluetooth Headphone Amplifier
WEEE Directive & Product Disposal
LDAC and LDAC logo are trademarks of Sony
Corporation.
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