Fiio BTR3 User Manual

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.