Sony WH-CH710N Precautions ( On the use of calling apps for smartphones and computers & On charging the unit)

Precautions

On the use of calling apps for smartphones and computers

This unit supports normal incoming calls only. Calling apps for smartphones and computers are not supported.

On charging the unit 

• This unit can be charged using USB only. A computer with a USB port or a USB AC adaptor is required for charging.
• Be sure to use the supplied USB Type-C cable.
• When charging, the unit cannot be turned on and the Bluetooth and noise canceling functions cannot be used.
• If the unit is not used for a long time, the rechargeable battery may become depleted quickly. The battery will be able to hold a proper charge after it is discharged and recharged several times. When storing the unit for a long time, charge the battery once every six months to prevent over-discharge.
• If the rechargeable battery becomes depleted extremely quickly, it should be replaced with a new one. Please contact your nearest Sony dealer for a battery replacement.

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