Sharp AN-SS2 Operation Manual page 12

Charging the Sound Partner
Charging the battery
1. Open the micro USB charging terminal cover and then connect the
micro USB charging cable.
2. Plug the other end of micro USB charging cable into a computer or USB
AC adaptor (5V, 1A) that is powered on.
Note: The sound partner does not operate while charging.
To computer or
USB AC adaptor
(commercially
Charging Indication:
Power Indicator
Battery status
Cautions:
For safety of the built-in battery, the function to stop charging works
z
depending on the ambient temperature. Charge the battery at room
temperature 5 ° C or above.
At extremely high or low temperatures, the battery may not be fully
z
charged.
To maintain functionality, the device needs to be charged at least once
z
every six months.
Battery of the device has limited life, as with any other rechargeable
z
batteries.
Capacity may gradually be decreased over time of which extent may
z
vary depending on the conditions of use and external environment.
There are multiple factors such as volume level, external environment
z
etc that may affect the time of device power turning off, other than the
percentage of battery left.
Use this product only with an agency approved power supply which
z
meets local regulatory requirements.
The equipment shall be connected only to a power supply with limited
z
power source.
available)
Blinks in red
20% remaining
Blinks in purple
20% - 70 %
Blinks in purple
approximately 70%