Mixcder TR008 Manual De Instrucciones página 3

Charging the Battery
- Connect the included micro USB（5V,1A）charging cable to
any power source and the USB interface located on the side
for charging. The LED turns to solid red during charging, It
takes about 2-2.5 hours for the first charge and after charging
for about 1-1.5 hours. When the battery is fully charged the
LED turns off.
- You can also use the TX or RX function during charging but
will extend the charging time. When the battery is low, the LED
flashes red light. The voltage is lower than 3V, it will turn off
automatically.
Note: It is strongly recommended fully charging for the first
use. Playtime varies according to volume level and audio content.
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