Soundcore Trance - Battery Level Status; Charging External USB Devices

4.2 Checking Battery Level
Press any button to check the remaining battery level when it is powered on.
LED behaviour ( )
Battery level <10%
Battery level 10% - 25%
Battery level 25% - 50%
Battery level 50% - 75%
Battery level 75% - 100%
4.3 Charging your USB Devices
Use this speaker as an external battery to charge your USB devices.
Connect your USB device to the USB port on the rear of this speaker.