Sangean BluTab BTS-101 (V1) - Manual (Page 10)

9
Power lock
The power lock function is used to prevent unintentional power-on of
the speaker in order to minimize unnecessary battery drainage. When
power lock is activated (slide-up), there is no power supply and all
function keys will be disabled including NFC tag detection.
To disable the lock function, slide the power lock switch to its off
position. The power lock function will then be disabled.
Battery management
To check the current battery charge level, press and hold the Power
button to turn on the speaker and battery status indicator is shown in
solid green indicating the current battery life:
( ): battery is fully charged (more than 70% of battery capacity)
( ): battery is medium charged (between 30%- 70% of battery capacity)
( ): battery Charging is needed (less than 30% of battery capacity)
Safety information for internal rechargeable
Lithium-ion battery
The internal rechargeable lithium-ion battery used in this device is able
to supply power for a long period of time. However, even lithium-ion
batteries reach a point where they cannot be recharged. If the battery
does not recharge after several attempts, it may be drained (has a low
charge), please contact [email protected] for repair information.
However, if you do not want us to replace the battery, you will need
to dispose of used batteries/device in accordance to the laws and
regulations in your area. In addition, you can contact your local
electronics retailers or recycling center for disposal.