Troubleshooting
Problem
Power is not supplied.
Unable to pair.
No sound is heard / Sound is
faint.
Sound is distorted / Noise is
heard / Sound cuts out.
Cannot hear the voice of the
caller / Voice of the caller is too
quiet.
The product cannot be charged.
Sound is delayed (video and
audio are out of sync)
• For details about how to operate your Bluetooth device, refer to the device's user manual.
• If the problem still remains, reset the product. To reset the product, refer to "Reset function"(p. 9).
Solution
• Charge the product.
• Confirm that the Bluetooth device communicates using Ver. 2.1+EDR or higher.
• Place the product and the Bluetooth device within 1 m (3.3') of each other.
• Set the profiles for the Bluetooth device. For procedures on how to set profiles,
refer to the Bluetooth device's user manual.
• Remove the pairing information for the Bluetooth device then pair the product
with this device again.
• Turn on the power of the product and the Bluetooth device.
• Turn up the volume of the product and the Bluetooth device.
• If the Bluetooth device is set to the HFP/HSP connection, switch to the A2DP
connection.
• Move away from obstacles between the product and the Bluetooth device, such
as people, metal or walls, and place the product and device closer together.
• Switch the sound output of the Bluetooth device to the Bluetooth connection.
• Turn down the volume of the product and the Bluetooth device.
• Keep this product away from devices that emit radio waves such as microwaves
and wireless routers.
• Keep this product away from TVs, radios, and devices with built-in tuners. These
devices can also be affected by the product.
• Turn off the equalizer settings of the Bluetooth device.
• Remove obstacles between the product and the Bluetooth device and place
them closer together. For details, please refer to "For a more comfortable
Bluetooth® communication experience" (p. 3).
• Turn on the power of the product and the Bluetooth device.
• Turn up the volume of the product and the Bluetooth device.
• If the Bluetooth device is set to the A2DP connection, switch to the HFP/HSP
connection.
• Switch the sound output of the Bluetooth device to the Bluetooth connection.
• Securely connect the included USB charging cable and charge the product.
• Refer to "SBC priority connections (for when sound is delayed significantly)"
(p. 13) to change the codec connection to SBC.
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