About the indicator
You can check various statuses of the headset by the indicator.
: Turns on in blue / 
: Turns on in red / -: Turns off
Turning on
- (flashes twice in blue)
In this case, when the remaining battery charge is 10% or lower (requires charging), the indicator lights successively as follows.
- - (repeatedly flashes slowly in red for about 15 seconds)
Turning off
(lights up in blue for about 2 seconds)
Displaying the remaining battery charge
-
Remaining charge: More than 10%
- (flashes twice in blue) -
Remaining charge: 10% or lower (requires charging)
- - (repeatedly flashes slowly in red for about 15 seconds)
For details, see “Checking the remaining battery charge”.
When the remaining battery charge becomes low
- - (repeatedly flashes slowly in red for about 15 seconds)
Charging
- While charging
(lights up in red)
The indicator turns off after charging is complete. - Abnormal temperature
- - - - (repeatedly flashes twice in red) - Abnormal charging
- - - - (repeatedly flashes slowly in red)
Bluetooth function
- Device registration (pairing) mode
- - - - (repeatedly flashes twice in blue) - Not connected
- - - - - - - - (repeatedly flashes in blue at about 1-second intervals) - Connection process completed
(repeatedly flashes quickly in blue for about 5 seconds) - Connected
- - - - - - - - - - - - (repeatedly flashes in blue at about 5-second intervals) - Incoming call
(repeatedly flashes quickly in blue)
The unconnected and connected status indications automatically turn off after a period of time has passed. They start flashing again for a period of time when some operation is performed. When the remaining battery charge becomes low, the indicator (red) starts flashing.
Other
-
Headphone cable connected (power is turned on)
- - - - - - - - - - - - (repeatedly flashes in blue at about 5-second intervals)
The indicator turns off automatically after a certain amount of time. When the remaining battery charge becomes low, the indicator (red) starts flashing. -
Updating software
- - - - (repeatedly flashes slowly in blue)
- Initialization completed
(flashes 4 times in blue)
For details, see “Initializing the headset to restore factory settings”.
