How to charge the built-in battery of Manlong speaker?

The built-in battery of Manlong speaker is charged by connecting the charging cable, and the specific operation steps are as follows:

1. Find the charging port of Manlong speaker, which is at the right rear of the speaker.

2. Use the USB charging cable and plug it into the charging port.

3. When the other end of the charging cable is connected to the socket, you can start charging the built-in battery.

4. The built-in battery of Manlong speaker is lithium battery.