User's Manual

4. Maintenance
5. Troubleshooting
■ Using the headphones with non-original accessories may cause performance
degradation, personal injury, electrical short circuit and voiding of the warranty.
■ Disassembling the product may damage it and void your warranty.
■ Do not keep the headphones in a dusty environment.
■ Use a clean, soft, dry cloth to clean your headphones.
■ Keep the headphones out of reach of children.
■ Do not use the headphones in conditions of extreme temperatures.
Battery maintenance
■ Using the headphones properly will extend the life of rechargeable battery.
■ The rechargeable battery can be used at temperatures between 10 and 45 °C.
■ The full battery capacity can be used at room temperatures.
■ In outdoor conditions, battery capacity may be lower.
■ If you do not use the headphones for an extended period, please charge the
battery at least once every two months.
Can not turn the headset on. Charge the headphones and try turning on again.
No sound. Put the mobile phone nearer your headset.
Slight pause / Sound drops out.
Other wireless signals like WiFi can interfere
with Bluetooth. Try moving to a different area.
No sound for a second or two
repeatedly.
Low power, charge your headset.
Cannot operate your headphones
or cannot turn them off.
Connect your headset with power supply;
to reboot your headphones.
No sound in one ear when used
as a wired headset.
Ensure the plug is completely inserted.
Cannot find GHP04BT on the list of
Bluetooth devices.
Clear your Bluetooth devices list from your
mobile phone and try again.
Problem What to do