Charging time is too long – Sony MDR-MV1 Open-Back Reference Monitor Headphones User Manual
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Wireless Noise Canceling Gaming Headset/Wireless Gaming Headset
INZONE H9/INZONE H7
Charging time is too long.
When charging with a computer, check that the headset and the computer are directly connected, and not via a USB
hub.
Check that you are using the supplied USB Type-C cable.
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.
Restart the computer or PS5™, and try the USB connection procedure again in cases other than those stated above.
If the problem is not improved even after restarting the computer or PS5 and trying the USB connection procedure
again, connect the headset to an AC outlet to charge it.
Related Topic
Initializing the headset to restore factory settings
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