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Charging the Battery
1. Open the rubber cap on top of the T.sonic, you can see a mini USB port inside.
2. Insert one end of the USB cable into the T.sonic‘s mini USB port, and plug the other end of the
cable into a computer USB port.
3. Power on the unit and the display will show the ready status. While charging is on going, the
lightning logo and battery icon will flicker. When the unit is charged, the lightning logo will
disappear and the battery icon will indicate the battery charge level.
Before using the T.sonic for the first time, remember to charge the built-in battery.
If the battery power is low, the battery icon will flicker. Please use USB to charge the battery.
It takes about 3 hours to fully charge the battery.
The lifespan of the battery depends on how often it has been charged. Charging the battery too
many times results in a shorter battery lifespan. Overtime the Li-ion polymer battery’s power
retention wears out.
Basic Operation
Power On
Press and hold the PLAY button to turn the power on. An animated logo will appear on the OLED
Display, and then you can start to use the T.sonic.
The waiting time of power on depends on how many files in T.sonic. More files in T.sonic will
spend more waiting time powering on.
Power Off
Press and hold the PLAY button to turn the power off. In about three seconds the Power Off
Status Bar will appear on the OLED display to show you the Power Off status. Release the PLAY
button and the power will turn off.