Aria Two equips with high quality mini batteries inside each earphone to ensure its
advanced functions are in working condition, thus the two earphones are required to be
charged from time to time.
Please note that Aria Two earphones can only be charged with the power case.
1. To charge the earphones
Simply place Aria Two into the cradle of power case, press the Function Button on the
side of the power case to start charging the earphones. The power case LED will flash
slowly in Blue while the earphone LEDs will light in Red.
When earphone batteries are fully charged, earphone LEDs will turn off.
2. Stop Charging the earphones
During the charging session, you can stop charging the earphones by pressing the
Function Button again. The LEDs of the power case and earphones will turn off.
In this case, it takes about 60 minutes to fully charge the earphones.
Charging Aria Two with power case
The power case comes with a built-in backup battery which provides mobile charging function
for Aria Two. This means that users can charge Aria Two without attaching to any power
supply and the built-in battery, when fully charged, can fully charge Aria Two with 3 cycles.
To charge the power case, connect the case to an external USB power source such as
computers, or with a 5-volt or above power supply unit.
When charging the power case, power case LED blinks in Blue.
When power case is fully charged, LED will light in Blue color.
(LED will off if a USB power source output voltage is higher than the standard.)
In this case, it takes about 2 hours to fully charge the power case.
Note : remember to disconnect power source after battery is fully charged.
Charging power case
Charging Aria Two and power case together
If Aria Two is placed in the cradle of power case and you want to charge it simultaneously,
press the Function Button to activate charging process for Aria Two and power case. The
power case LED will be in Blue color for 5 seconds then blinks in Red color for charging.
When earphone batteries are fully charged, earphone LEDs will turn off.
When power case is charging, power case LED will blink in Red color.
When power case is fully charged, power case LED will light in Red color.
(LED will off if a USB power source output voltage is higher than the standard.)
In this case, it takes about 2 hours to fully charge the earphones and power case.
Note : remember to disconnect power source after battery is fully charged.
Battery Level LED indicator
Fully charged LED long Blue light
Between 20% to 100% LED slowly flashes in Blue
Below 20% LED slowly flashes in Red
Checking power case battery capacity
To check battery level of power case, make sure Aria Two is NOT put in the cradle, then
press the Function key:
Important Note for charging process
Make sure to use a good quality and certified power supply unit when connecting to the
power case. fFLAT5 is not responsible for any damage of power case or Aria Two
earphones if a poor quality or non-certified power supply unit is used.
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