No sound from both sides of the earphones
Check the state of the earphones.
Remove the earphones from the charging case and check the status of the indicators.
The earphones are properly connected to the device.
Check the app settings and volume.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.
Follow the steps below to check whether there is any abnormality with the sound output.
Restoring settings to the initial state
-
Insert the earphones into the charging case
-
Press and hold the button on both sides of the earphones for about 15 seconds to initialize
-
Delete the registration information of the earphones from the BLUETOOTH® settings
-
Remove both earphones from the charging case at the same time and place them back in again
-
After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time
After a few seconds, the indicators on the earphones and charging case will turn on.
Click here if the indicators do not light up or start flashing ＞＞
After pressing and holding the button for 10 seconds, the indicator “flashes once”. Continue pressing for another 5 seconds until the indicator “flashes once” again.
If you release your finger before the second time the indicator “flashes once”, initialization will not be complete.
If you released your finger too early, perform the initialization process again from the start.
Check that indicators on both earphones are turned off before performing the next operation.
JVC HA-A7T
Unpair this device
The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.
After taking out the earphones, move the L and R earphones close to the device to pair with.
Wait for a short while. When the L indicator starts to flash quickly, the earphones are ready for device pairing.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.
The power is off if there is no light on the earphone.
Check whether the power of the earphones can be turned on.
Turn on the power of the earphones
With the light of the earphone in the off state, press and hold the button on it for about three seconds.
The L side of the earphone is used in the illustration above.
The power of the earphones is on if the L and R indicators are flashing (regardless of how the light flashes).
Select the state after checking
Return to the top of the page and re-select the pattern in which the indicators are flashing.
The earphones have run out of power.
Charge the earphones followed by reconnecting to check whether sound can be heard properly.
Charging the earphones
-
Charge the charging case
-
Insert the earphones into the charging case
5V TYPE
The earphones power off and charging starts.
During charging, the indicators on the earphones light up. Also, the indicator light on the charging case will turn on for a few seconds.
When charging the earphones or charging case that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.
Click here if the indicators do not light up or start flashing ＞＞
When charging is complete, the indicators on the earphones will turn off.
Connecting to a Device
-
Remove both earphones at the same time
-
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
The indicators on both sides of the earphones start flashing and the power turns on.
After taking out the earphones, move the L and R earphones close to the device to pair with.
Wait for a short while. When the L indicator starts to flash quickly, the earphones are ready for device pairing.
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
If there is no sound although the indicators are flashing, return to the top of the page and re-select the pattern in which the indicators are flashing.
The earphones may not have been properly charged.
Please check the following.
Select the pattern in which the L earphone is flashing.
The L earphone is connected to the device but a connection error has occurred on the R earphone.
Power off and on the earphones again and check whether there is any abnormality with the sound output.
Powering off and on again (when charging case is available)
-
Insert the earphones into the charging case
-
After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time
The earphones power off and charging starts.
The indicators on the earphones light up when charging starts, and the indicator on the charging case lights up and flashes.
When charging the earphones or charging case that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.
Click here if the indicators do not light up or start flashing ＞＞
The indicators on both sides of the earphones start flashing and the power turns on.
After taking out the earphones, move the L and R earphones close to the device to pair with.
If the R earphone is not flashing once every 5 seconds, go to the section on “Sound cannot be heard” at the bottom of the page.
Powering off and on again (when charging case is not available)
-
While the light on the earphone is flashing, press and hold the button for about 3 seconds to turn off the power
-
Press and hold the button on both sides of the earphones for about 3 seconds to turn on the power
The indicator light goes out.
The power has already been shut down if the light is off before pressing the button. Go to step “2” in this case.
When turning on the power, move the L and R earphones close to the device to pair with.
After the power is turned on, the indicators on both sides of the earphones start flashing.
After the power is turned on, move the L and R earphones close to the device to pair with.
If the R earphone is not flashing once every 5 seconds, go to the section on “Sound cannot be heard” at the bottom of the page.
When power of the earphones is turned on again, connection will be established automatically with a device that was previously paired.
If connection cannot be established, please try the following.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.
Follow the steps below to check whether there is any abnormality with the sound output.
Restoring settings to the initial state
-
Insert the earphones into the charging case
-
Press and hold the button on both sides of the earphones for about 15 seconds to initialize
-
Delete the registration information of the earphones from the BLUETOOTH® settings
-
Remove both earphones from the charging case at the same time and place them back in again
-
After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time
After a few seconds, the indicators on the earphones and charging case will turn on.
Click here if the indicators do not light up or start flashing ＞＞
After pressing and holding the button for 10 seconds, the indicator “flashes once”. Continue pressing for another 5 seconds until the indicator “flashes once” again.
If you release your finger before the second time the indicator “flashes once”, initialization will not be complete.
If you released your finger too early, perform the initialization process again from the start.
Check that indicators on both earphones are turned off before performing the next operation.
JVC HA-A7T
Unpair this device
The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.
After taking out the earphones, move the L and R earphones close to the device to pair with.
Wait for a short while. When the L indicator starts to flash quickly, the earphones are ready for device pairing.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.
An error has occurred in the connection between the L earphone and the device.
Connect it to the device and check whether there is any abnormality with the sound output.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
If the R earphone is not flashing once every 5 seconds, go to the section on “Sound cannot be heard” at the bottom of the page.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.
Follow the steps below to check whether there is any abnormality with the sound output.
Restoring settings to the initial state
-
Insert the earphones into the charging case
-
Press and hold the button on both sides of the earphones for about 15 seconds to initialize
-
Delete the registration information of the earphones from the BLUETOOTH® settings
-
Remove both earphones from the charging case at the same time and place them back in again
-
After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time
After a few seconds, the indicators on the earphones and charging case will turn on.
Click here if the indicators do not light up or start flashing ＞＞
After pressing and holding the button for 10 seconds, the indicator “flashes once”. Continue pressing for another 5 seconds until the indicator “flashes once” again.
If you release your finger before the second time the indicator “flashes once”, initialization will not be complete.
If you released your finger too early, perform the initialization process again from the start.
Check that indicators on both earphones are turned off before performing the next operation.
JVC HA-A7T
Unpair this device
The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.
After taking out the earphones, move the L and R earphones close to the device to pair with.
Wait for a short while. When the L indicator starts to flash quickly, the earphones are ready for device pairing.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume
Select the state after checking
Thank you for using Troubleshooting Guide.
There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.
The settings for the L earphone have been initialized.
Follow the steps below to check whether there is any abnormality with the sound output.
Restoring settings to the initial state
-
Insert the earphones into the charging case
-
Press and hold the button on both sides of the earphones for about 15 seconds to initialize
-
Delete the registration information of the earphones from the BLUETOOTH® settings
-
Remove both earphones from the charging case at the same time and place them back in again
-
After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time
After a few seconds, the indicators on the earphones and charging case will turn on.
Click here if the indicators do not light up or start flashing ＞＞
After pressing and holding the button for 10 seconds, the indicator “flashes once”. Continue pressing for another 5 seconds until the indicator “flashes once” again.
If you release your finger before the second time the indicator “flashes once”, initialization will not be complete.
If you released your finger too early, perform the initialization process again from the start.
Check that indicators on both earphones are turned off before performing the next operation.
JVC HA-A7T
Unpair this device
The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.
After taking out the earphones, move the L and R earphones close to the device to pair with.
Wait for a short while. When the L indicator starts to flash quickly, the earphones are ready for device pairing.
Connecting to a Device
Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A7T”
JVC HA-A7T
The earphones are connected to the device if the indicators on both sides of the earphones are flashing every 5 seconds.
Apps and Volume Control on the Connected Device
-
Open an app and play
-
Adjust the volume