Replacement USB Charging Cable USB-C Charger Cord Compatible for Sony WH/WF-1000XM5 WH/WF-1000XM4 WH/WF-1000XM3 WH-XB910N WH-H910N WH-CH510 CH520 CH710N CH720N Wireless Headphones (50CM/Black)

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Lights up in green for about 6 seconds when the lid of the charging case is opened or closed with the headphones are NOT stored

Sony WH-1000XM4 Wireless Noise Cancelling Headphones Sony WH-1000XM4 Wireless Noise Cancelling Headphones

If the headset detects a problem while charging due to the following causes, the charging indicator (red) flashes. In this case, charge once again within the charging temperature range. If the problem persists, consult your nearest Sony dealer.There are certain instances, wherein you will find your Sony Headphone turning on, and producing sound. It is likely to happen in either of the following cases: The headset cannot be charged when the computer is in standby (sleep) or hibernation mode. In this case, change the computer settings to charge the headset once again. Customers may need to update their Sony | Headphones Connect app for this software to be activated.

Sony Wireless Headphone charge |Guide About Charging Sony Wireless Headphone charge |Guide About Charging

Lights up in orange for about 6 seconds when the lid of the charging case is opened or closed with the headphones are stored 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.Lights up in green for about 6 seconds when the lid of the charging case is opened or closed with the headphones are stored