03.
Quick Start Guide
LED Indicator Quick-Start Guide:
Funtion
Power on
Power off
Pairing
Standby
Incoming call
Low battery
Charging
06
LED Indicator Status
Blue/Red LED indicator
lights up for 3 seconds
Blue/Red LED indicator
lights up for 3 seconds
Red LED & Blue LED
flashes alternately
Blue LED flashes 3 times
in 1 second
Blue LED flashes
continuously
Red LED flashes with
a warning tone
Red LED indicates
charging in progress
Blue LED indicates
charging finished
03.
Quick Start Guide
Charging your Harmonic 3.0 Bluetooth Headphones:
1. Insert the USB-C end of the charging cable into
the charging input as shown.
2. Insert the USB-A end of the cable into a power
source* to charge. The LED indicator will be red
while charging is in progress. The LED indicator
will be blue when charging is complete. A full
charge will take approximately 1.5 hours.
iOS enabled devices will display the Harmonic 3.0
battery power status on the top right hand side of
their screen.
*Power options include USB connection to a power
source such as a Sprout AC power adapter, a Sprout
car charger or computer/notebook USB connection.
To turn on:
• Press and hold the power/play/pause button
for 3 seconds
• The LED indicator will alternate blue/red
for 3 seconds
To turn off:
• Press and hold the power/play/pause button
for 3 seconds
• The LED indicator will alternate blue/red
for 3 seconds
07
Need help?
Do you have a question about the Harmonic 3.0 and is the answer not in the manual?