Troubleshooting

Place both earphones into the charging case and close the lid. Connect the supplied USB charging cable to charge the charging case. Open the charging case again, check to ensure that the indicators for the earphones on the charging case are turned off or lit, followed by taking out both the L and R earphones again at the same time.

When pairing, make sure the BLUETOOTH device is within 1 m of the System.

Operate the BLUETOOTH device to connect.

Turn on the BLUETOOTH device and enable pairing.

Delete the pairing information on the BLUETOOTH device list and perform pairing again.

Perform operations after setting the BLUETOOTH function of the connected device to OFF and then to ON again.

Perform operations after turning off the connected device and on again.

Refer to the steps to establish a connection. Connecting (Power On)

Check whether the System is connected to another device. Turn off the BLUETOOTH settings of other devices and enable pairing with the desired device.

Place both earphones into the charging case and close the lid. Connect the supplied USB charging cable to charge the charging case. Open the charging case again, check to ensure that the indicators for the earphones on the charging case are turned off or lit, followed by taking out both the L and R earphones again at the same time to establish connection. After taking out the earphones, move the L and R earphones close to each other.

Initialize the settings and connect again. Initializing

Check whether one of the earphones is connected to another BLUETOOTH device. Turn off the BLUETOOTH settings of other devices and enable pairing with the desired device.

Charge the charging case first. Charging the charging case and earphones

Charge the main unit. Charging

Remove both earphones from the charging case and place them back in again.

Press and hold the L and R buttons for about 10 seconds to power off the earphones, and place them in the charging case.

Make sure that the earphones are fully inserted into the charging case.

Use a cotton swab to remove any dirt from the contacts of the earphones and charging case.

Charge the charging case first. Charging the charging case and earphones

Make sure that the USB cable is plugged in all the way.

Please charge within the charging temperature range (5 °C (41 °F) to 35 °C (95 °F)).

When the charging case runs out of battery, the earphones are turned on. If there is no remaining battery in the the charging case, the indicators for the charging case will not light up when you open or close the case. In this case, power off the earphones manually. Powering off using the earphones

Charge the charging case. Charging the charging case and earphones

Depending on the Bluetooth device connected, the earphones may not operate immediately after connection due to a delay in the connection process. In this case, wait for a few seconds and try again.

During playback press the button on the R earphone 3 times quickly. The previous track or beginning of the current track will be played.

During playback press the button on the R earphone 2 times quickly. The next track will be played.

Change the size of the ear piece. Wearing

Check whether the ear pieces are attached to the correct position. Wearing

Re-charge the system and switch power on.

Use the connected device in a position or orientation that allows for the most stable communication. The sound tends to be interrupted when the System is covered with the hands.

Try reducing the number of apps running on the BLUETOOTH device connected.

Charge the main unit. Charging

Audio sound may be interrupted when you are using the low latency mode. If this occurs, switch off the standard mode. Also, audio interruptions are less likely to occur if you switch to “Stabilized Connection Mode” in the app. Button operations (when using both the L and R earphones)

Increase the volume on the System or the BLUETOOTH device connected.

Insert both of this unit into your ears securely.

Check whether the ear piece size is correct and whether they are attached to the correct position. Wearing

When the Touch & Talk function is set to on, the volume is reduced. Switch off the Touch & Talk function if it is on. Button operations (when using both the L and R earphones)

Clean the audio output part of the earphones and the ear pieces such as by using a toothbrush. Cleaning Method

Adjust the volume on the BLUETOOTH device connected so that there is no distortion, and then adjust the volume on the System.

Charge the main unit. Charging

Do not cover the earphones with your hands or obstruct the surrounding area.

Do not block the surrounding area of the microphone and the ear pieces with your fingers or other objects.

Check whether the ear pieces are correctly attached.

The earphones will not power off when the charging case has run out of battery. Charge the charging case. Charging the charging case and earphones

Check that the noise canceling function is turned on. Button operations (when using both the L and R earphones)

The noise canceling function is less effective depending on the type of noise.

Check that the ambient sound function is turned on. Button operations (when using both the L and R earphones)

When the playback volume of the music is loud, it may be difficult to feel the effect. Lower the playback volume.

The Wind Cut function suppresses wind noise that is detected by the microphone. If there is no wind blowing in the surroundings, it will revert to normal noise cancellation.

The Wind Cut function may not operate when the wind is blowing weakly.

The feature may activate when there is noise containing components similar to wind noise, such as the sound of a passing train or machinery noise. If this is a concern, please switch to a different mode.

The ring tone may not be heard from the headphone if the silent mode of the BLUETOOTH device (iPhone/smartphone/tablet) is turned on. Turn off the silent mode on the BLUETOOTH device. Alternatively, to use it in the silent mode, enable the device to detect incoming calls (via the vibration feature on the device, etc.) and use the earphones to answer the call. When there is an incoming call, the call may start on the BLUETOOTH device instead if you answer the call using the device.

Delete the pairing information on the BLUETOOTH device list. Perform pairing after turning off the connected device and on again (or after rebooting).

Refer to Indicators for the Earphones on the Charging Case.

Change the Bluetooth setting of the first Bluetooth device to “Off” before connecting to the second device.

Refer to here. PC Connection Support

Place both earphones into the charging case, check to ensure that the indicators for the earphones on the charging case are lit, followed by taking out both L and R earphones again at the same time.

There is a way to set the audio input/output destination on the computer or call/conference application. Open the Settings menu and select “Headset (KENWOOD GLASS Core Pro Hands-Free)” or “KENWOOD GLASS Core Pro Hands-Free”, etc. (the item displayed may differ depending on the OS and application). For details, refer to the instruction manual of the computer or call/conference application.

Place both earphones into the charging case, check to ensure that the indicators for the earphones on the charging case are lit, followed by taking out both L and R earphones again at the same time.

There is a way to set the audio input/output destination on the computer or the music and video playback application. Open the Settings menu and select “Headphone (KENWOOD GLASS Core Pro Stereo)” or “KENWOOD GLASS Core Pro Stereo”, etc. (the item displayed may differ depending on the OS and application). For details, refer to the instruction manual of the computer or the music and video playback application.