Notes On Charging - Sony SRS-NS7 Help Manual

Help Guide
Wireless Neckband Speaker
SRS-NS7

Notes on charging

Life span of the built-in lithium ion battery
Even if you do not intend to use the neckband speaker for a long time, charge the built-in battery sufficiently once
every 6 months to maintain its performance.
If the neckband speaker is not used for a long time, it may take longer to charge the built-in battery.
The rechargeable built-in battery has a life span. As time passes and the number of times that the built-in battery is
used increases, the capacity of the rechargeable built-in battery slowly decreases. When the amount of time that the
built-in battery can be used seems significantly shorter, despite having been fully charged, contact your nearest Sony
dealer.
When the amount of time that the built-in battery can be used seems significantly shorter, it could mean that the
rechargeable built-in battery has expired.
The life span of the rechargeable built-in battery differs depending on the usage, environment, and storage method.
Caution
When the neckband speaker detects an abnormality such as the following while charging the battery, the indicator keeps
double flashing in orange.
The ambient temperature exceeds the range of 5 °C - 35 °C (41 °F - 95 °F).
There is a problem with the built-in battery.
When charging to the built-in battery continues for a long time.
When an abnormality of the built-in battery has been detected, stop charging immediately, wait for a while, and then
charge the built-in battery again. If the problem persists, contact your nearest Sony dealer.
Note
While battery charging is in progress, the neckband speaker fails to turn on and you cannot use the BLUETOOTH function.
Upon completion of battery charging, be sure to close the cap over the DC input port (USB Type-C
malfunction caused by sweat or water ingress.
Charging time varies depending on built-in battery usage conditions.
Charge the neckband speaker in an ambient temperature between 5 °C and 35 °C (41 °F and 95 °F).
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