LED Indicator
Earphone Jack
Function Button
Up Button
Down Button Dual MIC
Power Switch
Features Defined
Default usage method
Power On and Off.
At power-on, the LED on the
selected tone flashes 1 time
and the green LED flashes 2 times
Basic operation of buttons.
Divide into short and long presses depending on the time
you press.
- Short : When the button is pressed and hold within 2 sec.
(the white LED is on)
- Long : When the button is pressed and hold for more than
2 sec. (the blue LED is on)
At first, press the "Down Button" for long to enter DB selection
mode. And then, press the "Function Button" for short.
Every time you press it, you can hear and select 7 different tones.
After you select mode, press the "Down Button" long again to
save tone.
* If you want to change the mode later, follow this guide.
Press the function button long to
change to the Bluetooth mode.
Notifies the battery condition when
power is turned on. Charge with a
Micro USB Cable. During charging,
the red LED lights up and it goes off
when charging is completed.
Microphone Mode
Amplifies the microphone sound according to the
selected DB.
You can adjust the sound volume in 16 steps (LED shown) with
a short press of the "+" up button and the "-" down button.
- Low volume (1) : Red LED
- Medium volume (2-15) : Green LED
- High volume (16) : Blue LED
Volume control.
Battery status and charging.
1~2 SEC.
OVER 2 SEC.
OVER 2 SEC.
Select the hearing-mode.
Change to Bluetooth mode.
Connect a phone call.
It must be registered to the
smartphone through pairing.
When a call is incoming, press the function
button long to connect the voice call automatically.
DB1 RED DB2 ORANGE DB3 YELLOW DB4 GREEN
DB5 BLUEDB6 INDOGODB7 PURPLE
Nomal High Amp 1 Low Amp 1
Low-High Amp High Amp 3 High Amp 2
Low Amp 2
OVER 2 SEC.
Press the Function button for short when you want
to enter the Noise Cancellation (NC) mode.
