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If the indicator (orange) on the charging case lights up for about 3 seconds and then turns off when the left and right headset units

are removed from the charging case, the remaining battery charge of the charging case is low. Charge the charging case.

If the indicator on the charging case does not turn on even when the left and right headset units are removed from the charging

case, the battery charge of the charging case is empty. Charge the charging case.

If the headset is not used for a long time, the rechargeable battery usage hours may be reduced. However, the battery life will

improve after charging and discharging several times. If you store the headset for a long time, charge the battery once every 6

months to avoid over-discharge.

If the headset is not used for a long time, it may take longer to charge the battery.

Be sure to close the charging case lid to prevent the battery of the charging case from being consumed.

If there is a problem with the rechargeable battery of the headset or the charging case and something unusual is detected during

charging, the indicator (orange) on the charging case flashes.

It is recommended to charge in a place with an ambient temperature between 15 °C and 35 °C (59 °F - 95 °F). Efficient charging

may not be possible beyond this range.

If the problem persists, consult your nearest Sony dealer.

If the headset is not used for a long time, the indicator (orange) on the charging case may not immediately light up when

charging. Wait a moment until the indicator (orange) lights up.

If the usage hours of the built-in rechargeable battery decrease significantly, the battery should be replaced. Consult your nearest

Sony dealer.

Avoid exposure to extreme temperature changes, direct sunlight, moisture, sand, dust, and electrical shock. Never leave the

headset in a parked vehicle.

When connecting the charging case to a computer, use only the supplied USB Type-C cable, and be sure to directly connect

them. Charging will not be properly completed when the charging case is connected through a USB hub.

The headset and the charging case may become warm during charging or for a while after charging. However, this is not a

malfunction.

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