Elecom M-XGS50MBSK Series User Manual page 11

2) Connect the USB-A connector on the included charging cable to the USB-A
port on your PC or a portable USB charger.
Connecting to a PC
Connecting to a portable USB charger
Ensure that the connector is correctly oriented to the port.
If there is strong resistance when inserting, check the shape and orientation of the connector.
Forcibly inserting the connector may damage the connector, and there is a risk of injury.
Do not touch the terminal portion of the USB connector.
3) Turn on the power of the PC, if it has not been already switched on.
The LED light will flash slowly when charging begins. It turns off when charging is
complete.