Q: What is the charging indication for this speaker?
A: .The battery level will be shown by the four LED lights on top of the speaker.
Q: How to use the call function?
A: .Once the speaker is connected with the smartphone via BT, press the Play/Pause button once to receive incoming calls.
To hang up on a call, press the Play/Pause once again.
Q: How to charge the speaker?
A: .Connect Type C cable to the speaker and the other end of the cable to a 5V DC adapter.