English
Bluetooth Headphone Amplifier
Buttons and Ports Labeled/
Operation Explained
3.5mm headphone port
Type C USB charging port
NFC detecting area
Status indicator
Clip
Power
Micr
ophone
C:Vol down / Next track
A:Multifunctional
button
B:Vol up /
Prev. track
Lanyard hole
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.
Summary of Contents for BTR3
Page 1: ...Model BTR3...
