Yamaha Corporation HPHW300A Manuel D’Utilisation

The indicator lights in orange.

• Make sure to charge the headphones before using them for the first time.

• When charged in a place where the temperature is extremely high or low, charging may be 

completed quickly or charging may not be possible.

• To maintain optimum performance, charge the headphones at least once every six months.

• Batteries have a finite lifetime. The battery capacity is reduced gradually by the number of 

times it is used and the elapsed time of use.

• The actual lifetime of a battery differs depending on how it is stored, how it is used, the sur-

rounding environment, etc.

• When the battery is charging, the indicator lights in orange. When charging is completed, the 

indicator turns off.

• A full charge cycle takes about three hours.

USB power cable 
(included)

Computer, 

etc.,

USB terminal

Charging 
connector

Lights in orange