Fiio BTR3 - Codec Indicator Display (Playing); Notification Sounds

English Bluetooth Headphone Amplifier
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.
3. Charging
4. Charging
completed
Indicates the
current working
status
2. Device
connected
Flashes once
every 3 seconds
Off
2. Indicator display of different input codecs
(when playing)
Codec
SBC
aptX HD
LDAC
In normal state
Blue light pulsates
Purple light pulsates
Yellow light pulsates
White light pulsates
Low battery
warning
Red light
indicates
the current
working
status
Charging
Codec
indicator
stays
steadily
on
AAC
Cyanic light pulsates
aptX、
aptX LL
LHDC
Green light pulsates